diff options
Diffstat (limited to '')
| -rw-r--r-- | tests/fstar-split/hashmap/Hashmap.Properties.fst (renamed from tests/fstar/hashmap/Hashmap.Properties.fst) | 0 | ||||
| -rw-r--r-- | tests/fstar-split/hashmap/Hashmap.Properties.fsti (renamed from tests/fstar/hashmap/Hashmap.Properties.fsti) | 0 | ||||
| -rw-r--r-- | tests/fstar/hashmap/Hashmap.Funs.fst | 411 | ||||
| -rw-r--r-- | tests/fstar/hashmap/Primitives.fst | 132 | ||||
| -rw-r--r-- | tests/fstar/hashmap_on_disk/HashmapMain.Funs.fst | 432 | ||||
| -rw-r--r-- | tests/fstar/hashmap_on_disk/HashmapMain.FunsExternal.fsti | 4 | ||||
| -rw-r--r-- | tests/fstar/hashmap_on_disk/Primitives.fst | 132 |
7 files changed, 408 insertions, 703 deletions
diff --git a/tests/fstar/hashmap/Hashmap.Properties.fst b/tests/fstar-split/hashmap/Hashmap.Properties.fst index def520f0..def520f0 100644 --- a/tests/fstar/hashmap/Hashmap.Properties.fst +++ b/tests/fstar-split/hashmap/Hashmap.Properties.fst diff --git a/tests/fstar/hashmap/Hashmap.Properties.fsti b/tests/fstar-split/hashmap/Hashmap.Properties.fsti index 26c0ec06..26c0ec06 100644 --- a/tests/fstar/hashmap/Hashmap.Properties.fsti +++ b/tests/fstar-split/hashmap/Hashmap.Properties.fsti diff --git a/tests/fstar/hashmap/Hashmap.Funs.fst b/tests/fstar/hashmap/Hashmap.Funs.fst index e6cd1411..9fc5d8a0 100644 --- a/tests/fstar/hashmap/Hashmap.Funs.fst +++ b/tests/fstar/hashmap/Hashmap.Funs.fst @@ -7,12 +7,12 @@ include Hashmap.Clauses #set-options "--z3rlimit 50 --fuel 1 --ifuel 1" -(** [hashmap::hash_key]: forward function +(** [hashmap::hash_key]: Source: 'src/hashmap.rs', lines 27:0-27:32 *) let hash_key (k : usize) : result usize = Return k -(** [hashmap::{hashmap::HashMap<T>}::allocate_slots]: loop 0: forward function +(** [hashmap::{hashmap::HashMap<T>}::allocate_slots]: loop 0: Source: 'src/hashmap.rs', lines 50:4-56:5 *) let rec hashMap_allocate_slots_loop (t : Type0) (slots : alloc_vec_Vec (list_t t)) (n : usize) : @@ -21,12 +21,12 @@ let rec hashMap_allocate_slots_loop = if n > 0 then - let* slots0 = alloc_vec_Vec_push (list_t t) slots List_Nil in - let* n0 = usize_sub n 1 in - hashMap_allocate_slots_loop t slots0 n0 + let* v = alloc_vec_Vec_push (list_t t) slots List_Nil in + let* n1 = usize_sub n 1 in + hashMap_allocate_slots_loop t v n1 else Return slots -(** [hashmap::{hashmap::HashMap<T>}::allocate_slots]: forward function +(** [hashmap::{hashmap::HashMap<T>}::allocate_slots]: Source: 'src/hashmap.rs', lines 50:4-50:76 *) let hashMap_allocate_slots (t : Type0) (slots : alloc_vec_Vec (list_t t)) (n : usize) : @@ -34,7 +34,7 @@ let hashMap_allocate_slots = hashMap_allocate_slots_loop t slots n -(** [hashmap::{hashmap::HashMap<T>}::new_with_capacity]: forward function +(** [hashmap::{hashmap::HashMap<T>}::new_with_capacity]: Source: 'src/hashmap.rs', lines 59:4-63:13 *) let hashMap_new_with_capacity (t : Type0) (capacity : usize) (max_load_dividend : usize) @@ -44,97 +44,75 @@ let hashMap_new_with_capacity let v = alloc_vec_Vec_new (list_t t) in let* slots = hashMap_allocate_slots t v capacity in let* i = usize_mul capacity max_load_dividend in - let* i0 = usize_div i max_load_divisor in + let* i1 = usize_div i max_load_divisor in Return { num_entries = 0; max_load_factor = (max_load_dividend, max_load_divisor); - max_load = i0; + max_load = i1; slots = slots } -(** [hashmap::{hashmap::HashMap<T>}::new]: forward function +(** [hashmap::{hashmap::HashMap<T>}::new]: Source: 'src/hashmap.rs', lines 75:4-75:24 *) let hashMap_new (t : Type0) : result (hashMap_t t) = hashMap_new_with_capacity t 32 4 5 -(** [hashmap::{hashmap::HashMap<T>}::clear]: loop 0: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap::{hashmap::HashMap<T>}::clear]: loop 0: Source: 'src/hashmap.rs', lines 80:4-88:5 *) let rec hashMap_clear_loop (t : Type0) (slots : alloc_vec_Vec (list_t t)) (i : usize) : Tot (result (alloc_vec_Vec (list_t t))) (decreases (hashMap_clear_loop_decreases t slots i)) = - let i0 = alloc_vec_Vec_len (list_t t) slots in - if i < i0 + let i1 = alloc_vec_Vec_len (list_t t) slots in + if i < i1 then - let* i1 = usize_add i 1 in - let* slots0 = - alloc_vec_Vec_index_mut_back (list_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) slots i - List_Nil in - hashMap_clear_loop t slots0 i1 + let* (_, index_mut_back) = + alloc_vec_Vec_index_mut (list_t t) usize + (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) slots i in + let* i2 = usize_add i 1 in + let* slots1 = index_mut_back List_Nil in + hashMap_clear_loop t slots1 i2 else Return slots -(** [hashmap::{hashmap::HashMap<T>}::clear]: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap::{hashmap::HashMap<T>}::clear]: Source: 'src/hashmap.rs', lines 80:4-80:27 *) let hashMap_clear (t : Type0) (self : hashMap_t t) : result (hashMap_t t) = - let* v = hashMap_clear_loop t self.slots 0 in - Return { self with num_entries = 0; slots = v } + let* back = hashMap_clear_loop t self.slots 0 in + Return { self with num_entries = 0; slots = back } -(** [hashmap::{hashmap::HashMap<T>}::len]: forward function +(** [hashmap::{hashmap::HashMap<T>}::len]: Source: 'src/hashmap.rs', lines 90:4-90:30 *) let hashMap_len (t : Type0) (self : hashMap_t t) : result usize = Return self.num_entries -(** [hashmap::{hashmap::HashMap<T>}::insert_in_list]: loop 0: forward function +(** [hashmap::{hashmap::HashMap<T>}::insert_in_list]: loop 0: Source: 'src/hashmap.rs', lines 97:4-114:5 *) let rec hashMap_insert_in_list_loop (t : Type0) (key : usize) (value : t) (ls : list_t t) : - Tot (result bool) + Tot (result (bool & (list_t t))) (decreases (hashMap_insert_in_list_loop_decreases t key value ls)) = begin match ls with | List_Cons ckey cvalue tl -> if ckey = key - then Return false - else hashMap_insert_in_list_loop t key value tl - | List_Nil -> Return true + then Return (false, List_Cons ckey value tl) + else + let* (b, back) = hashMap_insert_in_list_loop t key value tl in + Return (b, List_Cons ckey cvalue back) + | List_Nil -> let l = List_Nil in Return (true, List_Cons key value l) end -(** [hashmap::{hashmap::HashMap<T>}::insert_in_list]: forward function +(** [hashmap::{hashmap::HashMap<T>}::insert_in_list]: Source: 'src/hashmap.rs', lines 97:4-97:71 *) let hashMap_insert_in_list - (t : Type0) (key : usize) (value : t) (ls : list_t t) : result bool = - hashMap_insert_in_list_loop t key value ls - -(** [hashmap::{hashmap::HashMap<T>}::insert_in_list]: loop 0: backward function 0 - Source: 'src/hashmap.rs', lines 97:4-114:5 *) -let rec hashMap_insert_in_list_loop_back (t : Type0) (key : usize) (value : t) (ls : list_t t) : - Tot (result (list_t t)) - (decreases (hashMap_insert_in_list_loop_decreases t key value ls)) + result (bool & (list_t t)) = - begin match ls with - | List_Cons ckey cvalue tl -> - if ckey = key - then Return (List_Cons ckey value tl) - else - let* tl0 = hashMap_insert_in_list_loop_back t key value tl in - Return (List_Cons ckey cvalue tl0) - | List_Nil -> let l = List_Nil in Return (List_Cons key value l) - end - -(** [hashmap::{hashmap::HashMap<T>}::insert_in_list]: backward function 0 - Source: 'src/hashmap.rs', lines 97:4-97:71 *) -let hashMap_insert_in_list_back - (t : Type0) (key : usize) (value : t) (ls : list_t t) : result (list_t t) = - hashMap_insert_in_list_loop_back t key value ls + hashMap_insert_in_list_loop t key value ls -(** [hashmap::{hashmap::HashMap<T>}::insert_no_resize]: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap::{hashmap::HashMap<T>}::insert_no_resize]: Source: 'src/hashmap.rs', lines 117:4-117:54 *) let hashMap_insert_no_resize (t : Type0) (self : hashMap_t t) (key : usize) (value : t) : @@ -143,30 +121,19 @@ let hashMap_insert_no_resize let* hash = hash_key key in let i = alloc_vec_Vec_len (list_t t) self.slots in let* hash_mod = usize_rem hash i in - let* l = + let* (l, index_mut_back) = alloc_vec_Vec_index_mut (list_t t) usize (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) self.slots hash_mod in - let* inserted = hashMap_insert_in_list t key value l in + let* (inserted, l1) = hashMap_insert_in_list t key value l in if inserted then - let* i0 = usize_add self.num_entries 1 in - let* l0 = hashMap_insert_in_list_back t key value l in - let* v = - alloc_vec_Vec_index_mut_back (list_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) self.slots - hash_mod l0 in - Return { self with num_entries = i0; slots = v } - else - let* l0 = hashMap_insert_in_list_back t key value l in - let* v = - alloc_vec_Vec_index_mut_back (list_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) self.slots - hash_mod l0 in - Return { self with slots = v } - -(** [hashmap::{hashmap::HashMap<T>}::move_elements_from_list]: loop 0: merged forward/backward function - (there is a single backward function, and the forward function returns ()) + let* i1 = usize_add self.num_entries 1 in + let* v = index_mut_back l1 in + Return { self with num_entries = i1; slots = v } + else let* v = index_mut_back l1 in Return { self with slots = v } + +(** [hashmap::{hashmap::HashMap<T>}::move_elements_from_list]: loop 0: Source: 'src/hashmap.rs', lines 183:4-196:5 *) let rec hashMap_move_elements_from_list_loop (t : Type0) (ntable : hashMap_t t) (ls : list_t t) : @@ -175,20 +142,18 @@ let rec hashMap_move_elements_from_list_loop = begin match ls with | List_Cons k v tl -> - let* ntable0 = hashMap_insert_no_resize t ntable k v in - hashMap_move_elements_from_list_loop t ntable0 tl + let* hm = hashMap_insert_no_resize t ntable k v in + hashMap_move_elements_from_list_loop t hm tl | List_Nil -> Return ntable end -(** [hashmap::{hashmap::HashMap<T>}::move_elements_from_list]: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap::{hashmap::HashMap<T>}::move_elements_from_list]: Source: 'src/hashmap.rs', lines 183:4-183:72 *) let hashMap_move_elements_from_list (t : Type0) (ntable : hashMap_t t) (ls : list_t t) : result (hashMap_t t) = hashMap_move_elements_from_list_loop t ntable ls -(** [hashmap::{hashmap::HashMap<T>}::move_elements]: loop 0: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap::{hashmap::HashMap<T>}::move_elements]: loop 0: Source: 'src/hashmap.rs', lines 171:4-180:5 *) let rec hashMap_move_elements_loop (t : Type0) (ntable : hashMap_t t) (slots : alloc_vec_Vec (list_t t)) @@ -196,64 +161,63 @@ let rec hashMap_move_elements_loop Tot (result ((hashMap_t t) & (alloc_vec_Vec (list_t t)))) (decreases (hashMap_move_elements_loop_decreases t ntable slots i)) = - let i0 = alloc_vec_Vec_len (list_t t) slots in - if i < i0 + let i1 = alloc_vec_Vec_len (list_t t) slots in + if i < i1 then - let* l = + let* (l, index_mut_back) = alloc_vec_Vec_index_mut (list_t t) usize (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) slots i in - let ls = core_mem_replace (list_t t) l List_Nil in - let* ntable0 = hashMap_move_elements_from_list t ntable ls in - let* i1 = usize_add i 1 in - let l0 = core_mem_replace_back (list_t t) l List_Nil in - let* slots0 = - alloc_vec_Vec_index_mut_back (list_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) slots i l0 in - hashMap_move_elements_loop t ntable0 slots0 i1 + let (ls, l1) = core_mem_replace (list_t t) l List_Nil in + let* hm = hashMap_move_elements_from_list t ntable ls in + let* i2 = usize_add i 1 in + let* slots1 = index_mut_back l1 in + let* back_'a = hashMap_move_elements_loop t hm slots1 i2 in + let (hm1, v) = back_'a in + Return (hm1, v) else Return (ntable, slots) -(** [hashmap::{hashmap::HashMap<T>}::move_elements]: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap::{hashmap::HashMap<T>}::move_elements]: Source: 'src/hashmap.rs', lines 171:4-171:95 *) let hashMap_move_elements (t : Type0) (ntable : hashMap_t t) (slots : alloc_vec_Vec (list_t t)) (i : usize) : result ((hashMap_t t) & (alloc_vec_Vec (list_t t))) = - hashMap_move_elements_loop t ntable slots i + let* back_'a = hashMap_move_elements_loop t ntable slots i in + let (hm, v) = back_'a in + Return (hm, v) -(** [hashmap::{hashmap::HashMap<T>}::try_resize]: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap::{hashmap::HashMap<T>}::try_resize]: Source: 'src/hashmap.rs', lines 140:4-140:28 *) let hashMap_try_resize (t : Type0) (self : hashMap_t t) : result (hashMap_t t) = let* max_usize = scalar_cast U32 Usize core_u32_max in let capacity = alloc_vec_Vec_len (list_t t) self.slots in let* n1 = usize_div max_usize 2 in - let (i, i0) = self.max_load_factor in - let* i1 = usize_div n1 i in - if capacity <= i1 + let (i, i1) = self.max_load_factor in + let* i2 = usize_div n1 i in + if capacity <= i2 then - let* i2 = usize_mul capacity 2 in - let* ntable = hashMap_new_with_capacity t i2 i i0 in - let* (ntable0, _) = hashMap_move_elements t ntable self.slots 0 in + let* i3 = usize_mul capacity 2 in + let* ntable = hashMap_new_with_capacity t i3 i i1 in + let* p = hashMap_move_elements t ntable self.slots 0 in + let (ntable1, _) = p in Return - { ntable0 with num_entries = self.num_entries; max_load_factor = (i, i0) + { ntable1 with num_entries = self.num_entries; max_load_factor = (i, i1) } - else Return { self with max_load_factor = (i, i0) } + else Return { self with max_load_factor = (i, i1) } -(** [hashmap::{hashmap::HashMap<T>}::insert]: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap::{hashmap::HashMap<T>}::insert]: Source: 'src/hashmap.rs', lines 129:4-129:48 *) let hashMap_insert (t : Type0) (self : hashMap_t t) (key : usize) (value : t) : result (hashMap_t t) = - let* self0 = hashMap_insert_no_resize t self key value in - let* i = hashMap_len t self0 in - if i > self0.max_load then hashMap_try_resize t self0 else Return self0 + let* hm = hashMap_insert_no_resize t self key value in + let* i = hashMap_len t hm in + if i > hm.max_load then hashMap_try_resize t hm else Return hm -(** [hashmap::{hashmap::HashMap<T>}::contains_key_in_list]: loop 0: forward function +(** [hashmap::{hashmap::HashMap<T>}::contains_key_in_list]: loop 0: Source: 'src/hashmap.rs', lines 206:4-219:5 *) let rec hashMap_contains_key_in_list_loop (t : Type0) (key : usize) (ls : list_t t) : @@ -261,20 +225,20 @@ let rec hashMap_contains_key_in_list_loop (decreases (hashMap_contains_key_in_list_loop_decreases t key ls)) = begin match ls with - | List_Cons ckey x tl -> + | List_Cons ckey _ tl -> if ckey = key then Return true else hashMap_contains_key_in_list_loop t key tl | List_Nil -> Return false end -(** [hashmap::{hashmap::HashMap<T>}::contains_key_in_list]: forward function +(** [hashmap::{hashmap::HashMap<T>}::contains_key_in_list]: Source: 'src/hashmap.rs', lines 206:4-206:68 *) let hashMap_contains_key_in_list (t : Type0) (key : usize) (ls : list_t t) : result bool = hashMap_contains_key_in_list_loop t key ls -(** [hashmap::{hashmap::HashMap<T>}::contains_key]: forward function +(** [hashmap::{hashmap::HashMap<T>}::contains_key]: Source: 'src/hashmap.rs', lines 199:4-199:49 *) let hashMap_contains_key (t : Type0) (self : hashMap_t t) (key : usize) : result bool = @@ -287,7 +251,7 @@ let hashMap_contains_key hash_mod in hashMap_contains_key_in_list t key l -(** [hashmap::{hashmap::HashMap<T>}::get_in_list]: loop 0: forward function +(** [hashmap::{hashmap::HashMap<T>}::get_in_list]: loop 0: Source: 'src/hashmap.rs', lines 224:4-237:5 *) let rec hashMap_get_in_list_loop (t : Type0) (key : usize) (ls : list_t t) : @@ -299,12 +263,12 @@ let rec hashMap_get_in_list_loop | List_Nil -> Fail Failure end -(** [hashmap::{hashmap::HashMap<T>}::get_in_list]: forward function +(** [hashmap::{hashmap::HashMap<T>}::get_in_list]: Source: 'src/hashmap.rs', lines 224:4-224:70 *) let hashMap_get_in_list (t : Type0) (key : usize) (ls : list_t t) : result t = hashMap_get_in_list_loop t key ls -(** [hashmap::{hashmap::HashMap<T>}::get]: forward function +(** [hashmap::{hashmap::HashMap<T>}::get]: Source: 'src/hashmap.rs', lines 239:4-239:55 *) let hashMap_get (t : Type0) (self : hashMap_t t) (key : usize) : result t = let* hash = hash_key key in @@ -316,214 +280,147 @@ let hashMap_get (t : Type0) (self : hashMap_t t) (key : usize) : result t = hash_mod in hashMap_get_in_list t key l -(** [hashmap::{hashmap::HashMap<T>}::get_mut_in_list]: loop 0: forward function +(** [hashmap::{hashmap::HashMap<T>}::get_mut_in_list]: loop 0: Source: 'src/hashmap.rs', lines 245:4-254:5 *) let rec hashMap_get_mut_in_list_loop (t : Type0) (ls : list_t t) (key : usize) : - Tot (result t) (decreases (hashMap_get_mut_in_list_loop_decreases t ls key)) - = - begin match ls with - | List_Cons ckey cvalue tl -> - if ckey = key then Return cvalue else hashMap_get_mut_in_list_loop t tl key - | List_Nil -> Fail Failure - end - -(** [hashmap::{hashmap::HashMap<T>}::get_mut_in_list]: forward function - Source: 'src/hashmap.rs', lines 245:4-245:86 *) -let hashMap_get_mut_in_list - (t : Type0) (ls : list_t t) (key : usize) : result t = - hashMap_get_mut_in_list_loop t ls key - -(** [hashmap::{hashmap::HashMap<T>}::get_mut_in_list]: loop 0: backward function 0 - Source: 'src/hashmap.rs', lines 245:4-254:5 *) -let rec hashMap_get_mut_in_list_loop_back - (t : Type0) (ls : list_t t) (key : usize) (ret : t) : - Tot (result (list_t t)) + Tot (result (t & (t -> result (list_t t)))) (decreases (hashMap_get_mut_in_list_loop_decreases t ls key)) = begin match ls with | List_Cons ckey cvalue tl -> if ckey = key - then Return (List_Cons ckey ret tl) + then + let back_'a = fun ret -> Return (List_Cons ckey ret tl) in + Return (cvalue, back_'a) else - let* tl0 = hashMap_get_mut_in_list_loop_back t tl key ret in - Return (List_Cons ckey cvalue tl0) + let* (x, back_'a) = hashMap_get_mut_in_list_loop t tl key in + let back_'a1 = + fun ret -> let* tl1 = back_'a ret in Return (List_Cons ckey cvalue tl1) + in + Return (x, back_'a1) | List_Nil -> Fail Failure end -(** [hashmap::{hashmap::HashMap<T>}::get_mut_in_list]: backward function 0 +(** [hashmap::{hashmap::HashMap<T>}::get_mut_in_list]: Source: 'src/hashmap.rs', lines 245:4-245:86 *) -let hashMap_get_mut_in_list_back - (t : Type0) (ls : list_t t) (key : usize) (ret : t) : result (list_t t) = - hashMap_get_mut_in_list_loop_back t ls key ret - -(** [hashmap::{hashmap::HashMap<T>}::get_mut]: forward function - Source: 'src/hashmap.rs', lines 257:4-257:67 *) -let hashMap_get_mut (t : Type0) (self : hashMap_t t) (key : usize) : result t = - let* hash = hash_key key in - let i = alloc_vec_Vec_len (list_t t) self.slots in - let* hash_mod = usize_rem hash i in - let* l = - alloc_vec_Vec_index_mut (list_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) self.slots - hash_mod in - hashMap_get_mut_in_list t l key +let hashMap_get_mut_in_list + (t : Type0) (ls : list_t t) (key : usize) : + result (t & (t -> result (list_t t))) + = + let* (x, back_'a) = hashMap_get_mut_in_list_loop t ls key in + let back_'a1 = fun ret -> back_'a ret in + Return (x, back_'a1) -(** [hashmap::{hashmap::HashMap<T>}::get_mut]: backward function 0 +(** [hashmap::{hashmap::HashMap<T>}::get_mut]: Source: 'src/hashmap.rs', lines 257:4-257:67 *) -let hashMap_get_mut_back - (t : Type0) (self : hashMap_t t) (key : usize) (ret : t) : - result (hashMap_t t) +let hashMap_get_mut + (t : Type0) (self : hashMap_t t) (key : usize) : + result (t & (t -> result (hashMap_t t))) = let* hash = hash_key key in let i = alloc_vec_Vec_len (list_t t) self.slots in let* hash_mod = usize_rem hash i in - let* l = + let* (l, index_mut_back) = alloc_vec_Vec_index_mut (list_t t) usize (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) self.slots hash_mod in - let* l0 = hashMap_get_mut_in_list_back t l key ret in - let* v = - alloc_vec_Vec_index_mut_back (list_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) self.slots - hash_mod l0 in - Return { self with slots = v } - -(** [hashmap::{hashmap::HashMap<T>}::remove_from_list]: loop 0: forward function + let* (x, get_mut_in_list_back) = hashMap_get_mut_in_list t l key in + let back_'a = + fun ret -> + let* l1 = get_mut_in_list_back ret in + let* v = index_mut_back l1 in + Return { self with slots = v } in + Return (x, back_'a) + +(** [hashmap::{hashmap::HashMap<T>}::remove_from_list]: loop 0: Source: 'src/hashmap.rs', lines 265:4-291:5 *) let rec hashMap_remove_from_list_loop (t : Type0) (key : usize) (ls : list_t t) : - Tot (result (option t)) + Tot (result ((option t) & (list_t t))) (decreases (hashMap_remove_from_list_loop_decreases t key ls)) = begin match ls with | List_Cons ckey x tl -> if ckey = key then - let mv_ls = core_mem_replace (list_t t) (List_Cons ckey x tl) List_Nil in + let (mv_ls, _) = + core_mem_replace (list_t t) (List_Cons ckey x tl) List_Nil in begin match mv_ls with - | List_Cons i cvalue tl0 -> Return (Some cvalue) + | List_Cons _ cvalue tl1 -> Return (Some cvalue, tl1) | List_Nil -> Fail Failure end - else hashMap_remove_from_list_loop t key tl - | List_Nil -> Return None + else + let* (o, back) = hashMap_remove_from_list_loop t key tl in + Return (o, List_Cons ckey x back) + | List_Nil -> Return (None, List_Nil) end -(** [hashmap::{hashmap::HashMap<T>}::remove_from_list]: forward function +(** [hashmap::{hashmap::HashMap<T>}::remove_from_list]: Source: 'src/hashmap.rs', lines 265:4-265:69 *) let hashMap_remove_from_list - (t : Type0) (key : usize) (ls : list_t t) : result (option t) = - hashMap_remove_from_list_loop t key ls - -(** [hashmap::{hashmap::HashMap<T>}::remove_from_list]: loop 0: backward function 1 - Source: 'src/hashmap.rs', lines 265:4-291:5 *) -let rec hashMap_remove_from_list_loop_back (t : Type0) (key : usize) (ls : list_t t) : - Tot (result (list_t t)) - (decreases (hashMap_remove_from_list_loop_decreases t key ls)) + result ((option t) & (list_t t)) = - begin match ls with - | List_Cons ckey x tl -> - if ckey = key - then - let mv_ls = core_mem_replace (list_t t) (List_Cons ckey x tl) List_Nil in - begin match mv_ls with - | List_Cons i cvalue tl0 -> Return tl0 - | List_Nil -> Fail Failure - end - else - let* tl0 = hashMap_remove_from_list_loop_back t key tl in - Return (List_Cons ckey x tl0) - | List_Nil -> Return List_Nil - end - -(** [hashmap::{hashmap::HashMap<T>}::remove_from_list]: backward function 1 - Source: 'src/hashmap.rs', lines 265:4-265:69 *) -let hashMap_remove_from_list_back - (t : Type0) (key : usize) (ls : list_t t) : result (list_t t) = - hashMap_remove_from_list_loop_back t key ls + hashMap_remove_from_list_loop t key ls -(** [hashmap::{hashmap::HashMap<T>}::remove]: forward function +(** [hashmap::{hashmap::HashMap<T>}::remove]: Source: 'src/hashmap.rs', lines 294:4-294:52 *) let hashMap_remove - (t : Type0) (self : hashMap_t t) (key : usize) : result (option t) = - let* hash = hash_key key in - let i = alloc_vec_Vec_len (list_t t) self.slots in - let* hash_mod = usize_rem hash i in - let* l = - alloc_vec_Vec_index_mut (list_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) self.slots - hash_mod in - let* x = hashMap_remove_from_list t key l in - begin match x with - | None -> Return None - | Some x0 -> let* _ = usize_sub self.num_entries 1 in Return (Some x0) - end - -(** [hashmap::{hashmap::HashMap<T>}::remove]: backward function 0 - Source: 'src/hashmap.rs', lines 294:4-294:52 *) -let hashMap_remove_back - (t : Type0) (self : hashMap_t t) (key : usize) : result (hashMap_t t) = + (t : Type0) (self : hashMap_t t) (key : usize) : + result ((option t) & (hashMap_t t)) + = let* hash = hash_key key in let i = alloc_vec_Vec_len (list_t t) self.slots in let* hash_mod = usize_rem hash i in - let* l = + let* (l, index_mut_back) = alloc_vec_Vec_index_mut (list_t t) usize (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) self.slots hash_mod in - let* x = hashMap_remove_from_list t key l in + let* (x, l1) = hashMap_remove_from_list t key l in begin match x with | None -> - let* l0 = hashMap_remove_from_list_back t key l in - let* v = - alloc_vec_Vec_index_mut_back (list_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) self.slots - hash_mod l0 in - Return { self with slots = v } - | Some x0 -> - let* i0 = usize_sub self.num_entries 1 in - let* l0 = hashMap_remove_from_list_back t key l in - let* v = - alloc_vec_Vec_index_mut_back (list_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (list_t t)) self.slots - hash_mod l0 in - Return { self with num_entries = i0; slots = v } + let* v = index_mut_back l1 in Return (None, { self with slots = v }) + | Some x1 -> + let* i1 = usize_sub self.num_entries 1 in + let* v = index_mut_back l1 in + Return (Some x1, { self with num_entries = i1; slots = v }) end -(** [hashmap::test1]: forward function +(** [hashmap::test1]: Source: 'src/hashmap.rs', lines 315:0-315:10 *) let test1 : result unit = let* hm = hashMap_new u64 in - let* hm0 = hashMap_insert u64 hm 0 42 in - let* hm1 = hashMap_insert u64 hm0 128 18 in - let* hm2 = hashMap_insert u64 hm1 1024 138 in - let* hm3 = hashMap_insert u64 hm2 1056 256 in - let* i = hashMap_get u64 hm3 128 in + let* hm1 = hashMap_insert u64 hm 0 42 in + let* hm2 = hashMap_insert u64 hm1 128 18 in + let* hm3 = hashMap_insert u64 hm2 1024 138 in + let* hm4 = hashMap_insert u64 hm3 1056 256 in + let* i = hashMap_get u64 hm4 128 in if not (i = 18) then Fail Failure else - let* hm4 = hashMap_get_mut_back u64 hm3 1024 56 in - let* i0 = hashMap_get u64 hm4 1024 in - if not (i0 = 56) + let* (_, get_mut_back) = hashMap_get_mut u64 hm4 1024 in + let* hm5 = get_mut_back 56 in + let* i1 = hashMap_get u64 hm5 1024 in + if not (i1 = 56) then Fail Failure else - let* x = hashMap_remove u64 hm4 1024 in + let* (x, hm6) = hashMap_remove u64 hm5 1024 in begin match x with | None -> Fail Failure - | Some x0 -> - if not (x0 = 56) + | Some x1 -> + if not (x1 = 56) then Fail Failure else - let* hm5 = hashMap_remove_back u64 hm4 1024 in - let* i1 = hashMap_get u64 hm5 0 in - if not (i1 = 42) + let* i2 = hashMap_get u64 hm6 0 in + if not (i2 = 42) then Fail Failure else - let* i2 = hashMap_get u64 hm5 128 in - if not (i2 = 18) + let* i3 = hashMap_get u64 hm6 128 in + if not (i3 = 18) then Fail Failure else - let* i3 = hashMap_get u64 hm5 1056 in - if not (i3 = 256) then Fail Failure else Return () + let* i4 = hashMap_get u64 hm6 1056 in + if not (i4 = 256) then Fail Failure else Return () end diff --git a/tests/fstar/hashmap/Primitives.fst b/tests/fstar/hashmap/Primitives.fst index a3ffbde4..fca80829 100644 --- a/tests/fstar/hashmap/Primitives.fst +++ b/tests/fstar/hashmap/Primitives.fst @@ -55,8 +55,7 @@ type string = string let is_zero (n: nat) : bool = n = 0 let decrease (n: nat{n > 0}) : nat = n - 1 -let core_mem_replace (a : Type0) (x : a) (y : a) : a = x -let core_mem_replace_back (a : Type0) (x : a) (y : a) : a = y +let core_mem_replace (a : Type0) (x : a) (y : a) : a & a = (x, x) // We don't really use raw pointers for now type mut_raw_ptr (t : Type0) = { v : t } @@ -477,8 +476,7 @@ noeq type core_ops_index_Index (self idx : Type0) = { // Trait declaration: [core::ops::index::IndexMut] noeq type core_ops_index_IndexMut (self idx : Type0) = { indexInst : core_ops_index_Index self idx; - index_mut : self → idx → result indexInst.output; - index_mut_back : self → idx → indexInst.output → result self; + index_mut : self → idx → result (indexInst.output & (indexInst.output → result self)); } // Trait declaration [core::ops::deref::Deref] @@ -490,8 +488,7 @@ noeq type core_ops_deref_Deref (self : Type0) = { // Trait declaration [core::ops::deref::DerefMut] noeq type core_ops_deref_DerefMut (self : Type0) = { derefInst : core_ops_deref_Deref self; - deref_mut : self → result derefInst.target; - deref_mut_back : self → derefInst.target → result self; + deref_mut : self → result (derefInst.target & (derefInst.target → result self)); } type core_ops_range_Range (a : Type0) = { @@ -502,8 +499,8 @@ type core_ops_range_Range (a : Type0) = { (*** [alloc] *) let alloc_boxed_Box_deref (t : Type0) (x : t) : result t = Return x -let alloc_boxed_Box_deref_mut (t : Type0) (x : t) : result t = Return x -let alloc_boxed_Box_deref_mut_back (t : Type) (_ : t) (x : t) : result t = Return x +let alloc_boxed_Box_deref_mut (t : Type0) (x : t) : result (t & (t -> result t)) = + Return (x, (fun x -> Return x)) // Trait instance let alloc_boxed_Box_coreopsDerefInst (self : Type0) : core_ops_deref_Deref self = { @@ -515,7 +512,6 @@ let alloc_boxed_Box_coreopsDerefInst (self : Type0) : core_ops_deref_Deref self let alloc_boxed_Box_coreopsDerefMutInst (self : Type0) : core_ops_deref_DerefMut self = { derefInst = alloc_boxed_Box_coreopsDerefInst self; deref_mut = alloc_boxed_Box_deref_mut self; - deref_mut_back = alloc_boxed_Box_deref_mut_back self; } (*** Array *) @@ -535,10 +531,18 @@ let array_index_usize (a : Type0) (n : usize) (x : array a n) (i : usize) : resu if i < length x then Return (index x i) else Fail Failure -let array_update_usize (a : Type0) (n : usize) (x : array a n) (i : usize) (nx : a) : result (array a n) = +let array_update_usize (a : Type0) (n : usize) (x : array a n) (i : usize) (nx : a) : + result (array a n) = if i < length x then Return (list_update x i nx) else Fail Failure +let array_index_mut_usize (a : Type0) (n : usize) (x : array a n) (i : usize) : + result (a & (a -> result (array a n))) = + match array_index_usize a n x i with + | Fail e -> Fail e + | Return v -> + Return (v, array_update_usize a n x i) + (*** Slice *) type slice (a : Type0) = s:list a{length s <= usize_max} @@ -552,6 +556,13 @@ let slice_update_usize (a : Type0) (x : slice a) (i : usize) (nx : a) : result ( if i < length x then Return (list_update x i nx) else Fail Failure +let slice_index_mut_usize (a : Type0) (s : slice a) (i : usize) : + result (a & (a -> result (slice a))) = + match slice_index_usize a s i with + | Fail e -> Fail e + | Return x -> + Return (x, slice_update_usize a s i) + (*** Subslices *) let array_to_slice (a : Type0) (n : usize) (x : array a n) : result (slice a) = Return x @@ -559,6 +570,10 @@ let array_from_slice (a : Type0) (n : usize) (x : array a n) (s : slice a) : res if length s = n then Return s else Fail Failure +let array_to_slice_mut (a : Type0) (n : usize) (x : array a n) : + result (slice a & (slice a -> result (array a n))) = + Return (x, array_from_slice a n x) + // TODO: finish the definitions below (there lacks [List.drop] and [List.take] in the standard library *) let array_subslice (a : Type0) (n : usize) (x : array a n) (r : core_ops_range_Range usize) : result (slice a) = admit() @@ -588,8 +603,13 @@ let alloc_vec_Vec_index_usize (#a : Type0) (v : alloc_vec_Vec a) (i : usize) : r let alloc_vec_Vec_update_usize (#a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : result (alloc_vec_Vec a) = if i < length v then Return (list_update v i x) else Fail Failure -// The **forward** function shouldn't be used -let alloc_vec_Vec_push_fwd (a : Type0) (v : alloc_vec_Vec a) (x : a) : unit = () +let alloc_vec_Vec_index_mut_usize (#a : Type0) (v: alloc_vec_Vec a) (i: usize) : + result (a & (a → result (alloc_vec_Vec a))) = + match alloc_vec_Vec_index_usize v i with + | Return x -> + Return (x, alloc_vec_Vec_update_usize v i) + | Fail e -> Fail e + let alloc_vec_Vec_push (a : Type0) (v : alloc_vec_Vec a) (x : a) : Pure (result (alloc_vec_Vec a)) (requires True) @@ -605,9 +625,6 @@ let alloc_vec_Vec_push (a : Type0) (v : alloc_vec_Vec a) (x : a) : end else Fail Failure -// The **forward** function shouldn't be used -let alloc_vec_Vec_insert_fwd (a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : result unit = - if i < length v then Return () else Fail Failure let alloc_vec_Vec_insert (a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : result (alloc_vec_Vec a) = if i < length v then Return (list_update v i x) else Fail Failure @@ -619,13 +636,11 @@ noeq type core_slice_index_SliceIndex (self t : Type0) = { sealedInst : core_slice_index_private_slice_index_Sealed self; output : Type0; get : self → t → result (option output); - get_mut : self → t → result (option output); - get_mut_back : self → t → option output → result t; + get_mut : self → t → result (option output & (option output -> result t)); get_unchecked : self → const_raw_ptr t → result (const_raw_ptr output); get_unchecked_mut : self → mut_raw_ptr t → result (mut_raw_ptr output); index : self → t → result output; - index_mut : self → t → result output; - index_mut_back : self → t → output → result t; + index_mut : self → t → result (output & (output -> result t)); } // [core::slice::index::[T]::index]: forward function @@ -643,14 +658,8 @@ let core_slice_index_RangeUsize_get (t : Type0) (i : core_ops_range_Range usize) admit () // TODO // [core::slice::index::Range::get_mut]: forward function -let core_slice_index_RangeUsize_get_mut - (t : Type0) : core_ops_range_Range usize → slice t → result (option (slice t)) = - admit () // TODO - -// [core::slice::index::Range::get_mut]: backward function 0 -let core_slice_index_RangeUsize_get_mut_back - (t : Type0) : - core_ops_range_Range usize → slice t → option (slice t) → result (slice t) = +let core_slice_index_RangeUsize_get_mut (t : Type0) : + core_ops_range_Range usize → slice t → result (option (slice t) & (option (slice t) -> result (slice t))) = admit () // TODO // [core::slice::index::Range::get_unchecked]: forward function @@ -675,27 +684,16 @@ let core_slice_index_RangeUsize_index admit () // TODO // [core::slice::index::Range::index_mut]: forward function -let core_slice_index_RangeUsize_index_mut - (t : Type0) : core_ops_range_Range usize → slice t → result (slice t) = - admit () // TODO - -// [core::slice::index::Range::index_mut]: backward function 0 -let core_slice_index_RangeUsize_index_mut_back - (t : Type0) : core_ops_range_Range usize → slice t → slice t → result (slice t) = +let core_slice_index_RangeUsize_index_mut (t : Type0) : + core_ops_range_Range usize → slice t → result (slice t & (slice t -> result (slice t))) = admit () // TODO // [core::slice::index::[T]::index_mut]: forward function let core_slice_index_Slice_index_mut (t idx : Type0) (inst : core_slice_index_SliceIndex idx (slice t)) : - slice t → idx → result inst.output = + slice t → idx → result (inst.output & (inst.output -> result (slice t))) = admit () // -// [core::slice::index::[T]::index_mut]: backward function 0 -let core_slice_index_Slice_index_mut_back - (t idx : Type0) (inst : core_slice_index_SliceIndex idx (slice t)) : - slice t → idx → inst.output → result (slice t) = - admit () // TODO - // [core::array::[T; N]::index]: forward function let core_array_Array_index (t idx : Type0) (n : usize) (inst : core_ops_index_Index (slice t) idx) @@ -705,13 +703,8 @@ let core_array_Array_index // [core::array::[T; N]::index_mut]: forward function let core_array_Array_index_mut (t idx : Type0) (n : usize) (inst : core_ops_index_IndexMut (slice t) idx) - (a : array t n) (i : idx) : result inst.indexInst.output = - admit () // TODO - -// [core::array::[T; N]::index_mut]: backward function 0 -let core_array_Array_index_mut_back - (t idx : Type0) (n : usize) (inst : core_ops_index_IndexMut (slice t) idx) - (a : array t n) (i : idx) (x : inst.indexInst.output) : result (array t n) = + (a : array t n) (i : idx) : + result (inst.indexInst.output & (inst.indexInst.output -> result (array t n))) = admit () // TODO // Trait implementation: [core::slice::index::private_slice_index::Range] @@ -725,12 +718,10 @@ let core_slice_index_SliceIndexRangeUsizeSliceTInst (t : Type0) : output = slice t; get = core_slice_index_RangeUsize_get t; get_mut = core_slice_index_RangeUsize_get_mut t; - get_mut_back = core_slice_index_RangeUsize_get_mut_back t; get_unchecked = core_slice_index_RangeUsize_get_unchecked t; get_unchecked_mut = core_slice_index_RangeUsize_get_unchecked_mut t; index = core_slice_index_RangeUsize_index t; index_mut = core_slice_index_RangeUsize_index_mut t; - index_mut_back = core_slice_index_RangeUsize_index_mut_back t; } // Trait implementation: [core::slice::index::[T]] @@ -747,7 +738,6 @@ let core_ops_index_IndexMutSliceTIInst (t idx : Type0) core_ops_index_IndexMut (slice t) idx = { indexInst = core_ops_index_IndexSliceTIInst t idx inst; index_mut = core_slice_index_Slice_index_mut t idx inst; - index_mut_back = core_slice_index_Slice_index_mut_back t idx inst; } // Trait implementation: [core::array::[T; N]] @@ -764,7 +754,6 @@ let core_ops_index_IndexMutArrayIInst (t idx : Type0) (n : usize) core_ops_index_IndexMut (array t n) idx = { indexInst = core_ops_index_IndexArrayInst t idx n inst.indexInst; index_mut = core_array_Array_index_mut t idx n inst; - index_mut_back = core_array_Array_index_mut_back t idx n inst; } // [core::slice::index::usize::get]: forward function @@ -773,13 +762,8 @@ let core_slice_index_usize_get admit () // TODO // [core::slice::index::usize::get_mut]: forward function -let core_slice_index_usize_get_mut - (t : Type0) : usize → slice t → result (option t) = - admit () // TODO - -// [core::slice::index::usize::get_mut]: backward function 0 -let core_slice_index_usize_get_mut_back - (t : Type0) : usize → slice t → option t → result (slice t) = +let core_slice_index_usize_get_mut (t : Type0) : + usize → slice t → result (option t & (option t -> result (slice t))) = admit () // TODO // [core::slice::index::usize::get_unchecked]: forward function @@ -797,12 +781,8 @@ let core_slice_index_usize_index (t : Type0) : usize → slice t → result t = admit () // TODO // [core::slice::index::usize::index_mut]: forward function -let core_slice_index_usize_index_mut (t : Type0) : usize → slice t → result t = - admit () // TODO - -// [core::slice::index::usize::index_mut]: backward function 0 -let core_slice_index_usize_index_mut_back - (t : Type0) : usize → slice t → t → result (slice t) = +let core_slice_index_usize_index_mut (t : Type0) : + usize → slice t → result (t & (t -> result (slice t))) = admit () // TODO // Trait implementation: [core::slice::index::private_slice_index::usize] @@ -816,12 +796,10 @@ let core_slice_index_SliceIndexUsizeSliceTInst (t : Type0) : output = t; get = core_slice_index_usize_get t; get_mut = core_slice_index_usize_get_mut t; - get_mut_back = core_slice_index_usize_get_mut_back t; get_unchecked = core_slice_index_usize_get_unchecked t; get_unchecked_mut = core_slice_index_usize_get_unchecked_mut t; index = core_slice_index_usize_index t; index_mut = core_slice_index_usize_index_mut t; - index_mut_back = core_slice_index_usize_index_mut_back t; } // [alloc::vec::Vec::index]: forward function @@ -831,13 +809,8 @@ let alloc_vec_Vec_index (t idx : Type0) (inst : core_slice_index_SliceIndex idx // [alloc::vec::Vec::index_mut]: forward function let alloc_vec_Vec_index_mut (t idx : Type0) (inst : core_slice_index_SliceIndex idx (slice t)) - (self : alloc_vec_Vec t) (i : idx) : result inst.output = - admit () // TODO - -// [alloc::vec::Vec::index_mut]: backward function 0 -let alloc_vec_Vec_index_mut_back - (t idx : Type0) (inst : core_slice_index_SliceIndex idx (slice t)) - (self : alloc_vec_Vec t) (i : idx) (x : inst.output) : result (alloc_vec_Vec t) = + (self : alloc_vec_Vec t) (i : idx) : + result (inst.output & (inst.output -> result (alloc_vec_Vec t))) = admit () // TODO // Trait implementation: [alloc::vec::Vec] @@ -854,7 +827,6 @@ let alloc_vec_Vec_coreopsindexIndexMutInst (t idx : Type0) core_ops_index_IndexMut (alloc_vec_Vec t) idx = { indexInst = alloc_vec_Vec_coreopsindexIndexInst t idx inst; index_mut = alloc_vec_Vec_index_mut t idx inst; - index_mut_back = alloc_vec_Vec_index_mut_back t idx inst; } (*** Theorems *) @@ -870,15 +842,7 @@ let alloc_vec_Vec_index_eq (#a : Type0) (v : alloc_vec_Vec a) (i : usize) : let alloc_vec_Vec_index_mut_eq (#a : Type0) (v : alloc_vec_Vec a) (i : usize) : Lemma ( alloc_vec_Vec_index_mut a usize (core_slice_index_SliceIndexUsizeSliceTInst a) v i == - alloc_vec_Vec_index_usize v i) + alloc_vec_Vec_index_mut_usize v i) [SMTPat (alloc_vec_Vec_index_mut a usize (core_slice_index_SliceIndexUsizeSliceTInst a) v i)] = admit() - -let alloc_vec_Vec_index_mut_back_eq (#a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : - Lemma ( - alloc_vec_Vec_index_mut_back a usize (core_slice_index_SliceIndexUsizeSliceTInst a) v i x == - alloc_vec_Vec_update_usize v i x) - [SMTPat (alloc_vec_Vec_index_mut_back a usize (core_slice_index_SliceIndexUsizeSliceTInst a) v i x)] - = - admit() diff --git a/tests/fstar/hashmap_on_disk/HashmapMain.Funs.fst b/tests/fstar/hashmap_on_disk/HashmapMain.Funs.fst index f2d09a38..3a042678 100644 --- a/tests/fstar/hashmap_on_disk/HashmapMain.Funs.fst +++ b/tests/fstar/hashmap_on_disk/HashmapMain.Funs.fst @@ -8,12 +8,12 @@ include HashmapMain.Clauses #set-options "--z3rlimit 50 --fuel 1 --ifuel 1" -(** [hashmap_main::hashmap::hash_key]: forward function +(** [hashmap_main::hashmap::hash_key]: Source: 'src/hashmap.rs', lines 27:0-27:32 *) let hashmap_hash_key (k : usize) : result usize = Return k -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::allocate_slots]: loop 0: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::allocate_slots]: loop 0: Source: 'src/hashmap.rs', lines 50:4-56:5 *) let rec hashmap_HashMap_allocate_slots_loop (t : Type0) (slots : alloc_vec_Vec (hashmap_List_t t)) (n : usize) : @@ -22,13 +22,12 @@ let rec hashmap_HashMap_allocate_slots_loop = if n > 0 then - let* slots0 = alloc_vec_Vec_push (hashmap_List_t t) slots Hashmap_List_Nil - in - let* n0 = usize_sub n 1 in - hashmap_HashMap_allocate_slots_loop t slots0 n0 + let* v = alloc_vec_Vec_push (hashmap_List_t t) slots Hashmap_List_Nil in + let* n1 = usize_sub n 1 in + hashmap_HashMap_allocate_slots_loop t v n1 else Return slots -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::allocate_slots]: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::allocate_slots]: Source: 'src/hashmap.rs', lines 50:4-50:76 *) let hashmap_HashMap_allocate_slots (t : Type0) (slots : alloc_vec_Vec (hashmap_List_t t)) (n : usize) : @@ -36,7 +35,7 @@ let hashmap_HashMap_allocate_slots = hashmap_HashMap_allocate_slots_loop t slots n -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::new_with_capacity]: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::new_with_capacity]: Source: 'src/hashmap.rs', lines 59:4-63:13 *) let hashmap_HashMap_new_with_capacity (t : Type0) (capacity : usize) (max_load_dividend : usize) @@ -46,102 +45,79 @@ let hashmap_HashMap_new_with_capacity let v = alloc_vec_Vec_new (hashmap_List_t t) in let* slots = hashmap_HashMap_allocate_slots t v capacity in let* i = usize_mul capacity max_load_dividend in - let* i0 = usize_div i max_load_divisor in + let* i1 = usize_div i max_load_divisor in Return { num_entries = 0; max_load_factor = (max_load_dividend, max_load_divisor); - max_load = i0; + max_load = i1; slots = slots } -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::new]: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::new]: Source: 'src/hashmap.rs', lines 75:4-75:24 *) let hashmap_HashMap_new (t : Type0) : result (hashmap_HashMap_t t) = hashmap_HashMap_new_with_capacity t 32 4 5 -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::clear]: loop 0: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::clear]: loop 0: Source: 'src/hashmap.rs', lines 80:4-88:5 *) let rec hashmap_HashMap_clear_loop (t : Type0) (slots : alloc_vec_Vec (hashmap_List_t t)) (i : usize) : Tot (result (alloc_vec_Vec (hashmap_List_t t))) (decreases (hashmap_HashMap_clear_loop_decreases t slots i)) = - let i0 = alloc_vec_Vec_len (hashmap_List_t t) slots in - if i < i0 + let i1 = alloc_vec_Vec_len (hashmap_List_t t) slots in + if i < i1 then - let* i1 = usize_add i 1 in - let* slots0 = - alloc_vec_Vec_index_mut_back (hashmap_List_t t) usize + let* (_, index_mut_back) = + alloc_vec_Vec_index_mut (hashmap_List_t t) usize (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) slots i - Hashmap_List_Nil in - hashmap_HashMap_clear_loop t slots0 i1 + in + let* i2 = usize_add i 1 in + let* slots1 = index_mut_back Hashmap_List_Nil in + hashmap_HashMap_clear_loop t slots1 i2 else Return slots -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::clear]: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::clear]: Source: 'src/hashmap.rs', lines 80:4-80:27 *) let hashmap_HashMap_clear (t : Type0) (self : hashmap_HashMap_t t) : result (hashmap_HashMap_t t) = - let* v = hashmap_HashMap_clear_loop t self.slots 0 in - Return { self with num_entries = 0; slots = v } + let* back = hashmap_HashMap_clear_loop t self.slots 0 in + Return { self with num_entries = 0; slots = back } -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::len]: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::len]: Source: 'src/hashmap.rs', lines 90:4-90:30 *) let hashmap_HashMap_len (t : Type0) (self : hashmap_HashMap_t t) : result usize = Return self.num_entries -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert_in_list]: loop 0: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert_in_list]: loop 0: Source: 'src/hashmap.rs', lines 97:4-114:5 *) let rec hashmap_HashMap_insert_in_list_loop (t : Type0) (key : usize) (value : t) (ls : hashmap_List_t t) : - Tot (result bool) + Tot (result (bool & (hashmap_List_t t))) (decreases (hashmap_HashMap_insert_in_list_loop_decreases t key value ls)) = begin match ls with | Hashmap_List_Cons ckey cvalue tl -> if ckey = key - then Return false - else hashmap_HashMap_insert_in_list_loop t key value tl - | Hashmap_List_Nil -> Return true - end - -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert_in_list]: forward function - Source: 'src/hashmap.rs', lines 97:4-97:71 *) -let hashmap_HashMap_insert_in_list - (t : Type0) (key : usize) (value : t) (ls : hashmap_List_t t) : result bool = - hashmap_HashMap_insert_in_list_loop t key value ls - -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert_in_list]: loop 0: backward function 0 - Source: 'src/hashmap.rs', lines 97:4-114:5 *) -let rec hashmap_HashMap_insert_in_list_loop_back - (t : Type0) (key : usize) (value : t) (ls : hashmap_List_t t) : - Tot (result (hashmap_List_t t)) - (decreases (hashmap_HashMap_insert_in_list_loop_decreases t key value ls)) - = - begin match ls with - | Hashmap_List_Cons ckey cvalue tl -> - if ckey = key - then Return (Hashmap_List_Cons ckey value tl) + then Return (false, Hashmap_List_Cons ckey value tl) else - let* tl0 = hashmap_HashMap_insert_in_list_loop_back t key value tl in - Return (Hashmap_List_Cons ckey cvalue tl0) + let* (b, back) = hashmap_HashMap_insert_in_list_loop t key value tl in + Return (b, Hashmap_List_Cons ckey cvalue back) | Hashmap_List_Nil -> - let l = Hashmap_List_Nil in Return (Hashmap_List_Cons key value l) + let l = Hashmap_List_Nil in Return (true, Hashmap_List_Cons key value l) end -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert_in_list]: backward function 0 +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert_in_list]: Source: 'src/hashmap.rs', lines 97:4-97:71 *) -let hashmap_HashMap_insert_in_list_back +let hashmap_HashMap_insert_in_list (t : Type0) (key : usize) (value : t) (ls : hashmap_List_t t) : - result (hashmap_List_t t) + result (bool & (hashmap_List_t t)) = - hashmap_HashMap_insert_in_list_loop_back t key value ls + hashmap_HashMap_insert_in_list_loop t key value ls -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert_no_resize]: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert_no_resize]: Source: 'src/hashmap.rs', lines 117:4-117:54 *) let hashmap_HashMap_insert_no_resize (t : Type0) (self : hashmap_HashMap_t t) (key : usize) (value : t) : @@ -150,30 +126,19 @@ let hashmap_HashMap_insert_no_resize let* hash = hashmap_hash_key key in let i = alloc_vec_Vec_len (hashmap_List_t t) self.slots in let* hash_mod = usize_rem hash i in - let* l = + let* (l, index_mut_back) = alloc_vec_Vec_index_mut (hashmap_List_t t) usize (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) self.slots hash_mod in - let* inserted = hashmap_HashMap_insert_in_list t key value l in + let* (inserted, l1) = hashmap_HashMap_insert_in_list t key value l in if inserted then - let* i0 = usize_add self.num_entries 1 in - let* l0 = hashmap_HashMap_insert_in_list_back t key value l in - let* v = - alloc_vec_Vec_index_mut_back (hashmap_List_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) - self.slots hash_mod l0 in - Return { self with num_entries = i0; slots = v } - else - let* l0 = hashmap_HashMap_insert_in_list_back t key value l in - let* v = - alloc_vec_Vec_index_mut_back (hashmap_List_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) - self.slots hash_mod l0 in - Return { self with slots = v } - -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::move_elements_from_list]: loop 0: merged forward/backward function - (there is a single backward function, and the forward function returns ()) + let* i1 = usize_add self.num_entries 1 in + let* v = index_mut_back l1 in + Return { self with num_entries = i1; slots = v } + else let* v = index_mut_back l1 in Return { self with slots = v } + +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::move_elements_from_list]: loop 0: Source: 'src/hashmap.rs', lines 183:4-196:5 *) let rec hashmap_HashMap_move_elements_from_list_loop (t : Type0) (ntable : hashmap_HashMap_t t) (ls : hashmap_List_t t) : @@ -183,13 +148,12 @@ let rec hashmap_HashMap_move_elements_from_list_loop = begin match ls with | Hashmap_List_Cons k v tl -> - let* ntable0 = hashmap_HashMap_insert_no_resize t ntable k v in - hashmap_HashMap_move_elements_from_list_loop t ntable0 tl + let* hm = hashmap_HashMap_insert_no_resize t ntable k v in + hashmap_HashMap_move_elements_from_list_loop t hm tl | Hashmap_List_Nil -> Return ntable end -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::move_elements_from_list]: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::move_elements_from_list]: Source: 'src/hashmap.rs', lines 183:4-183:72 *) let hashmap_HashMap_move_elements_from_list (t : Type0) (ntable : hashmap_HashMap_t t) (ls : hashmap_List_t t) : @@ -197,8 +161,7 @@ let hashmap_HashMap_move_elements_from_list = hashmap_HashMap_move_elements_from_list_loop t ntable ls -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::move_elements]: loop 0: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::move_elements]: loop 0: Source: 'src/hashmap.rs', lines 171:4-180:5 *) let rec hashmap_HashMap_move_elements_loop (t : Type0) (ntable : hashmap_HashMap_t t) @@ -206,68 +169,64 @@ let rec hashmap_HashMap_move_elements_loop Tot (result ((hashmap_HashMap_t t) & (alloc_vec_Vec (hashmap_List_t t)))) (decreases (hashmap_HashMap_move_elements_loop_decreases t ntable slots i)) = - let i0 = alloc_vec_Vec_len (hashmap_List_t t) slots in - if i < i0 + let i1 = alloc_vec_Vec_len (hashmap_List_t t) slots in + if i < i1 then - let* l = + let* (l, index_mut_back) = alloc_vec_Vec_index_mut (hashmap_List_t t) usize (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) slots i in - let ls = core_mem_replace (hashmap_List_t t) l Hashmap_List_Nil in - let* ntable0 = hashmap_HashMap_move_elements_from_list t ntable ls in - let* i1 = usize_add i 1 in - let l0 = core_mem_replace_back (hashmap_List_t t) l Hashmap_List_Nil in - let* slots0 = - alloc_vec_Vec_index_mut_back (hashmap_List_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) slots i - l0 in - hashmap_HashMap_move_elements_loop t ntable0 slots0 i1 + let (ls, l1) = core_mem_replace (hashmap_List_t t) l Hashmap_List_Nil in + let* hm = hashmap_HashMap_move_elements_from_list t ntable ls in + let* i2 = usize_add i 1 in + let* slots1 = index_mut_back l1 in + let* back_'a = hashmap_HashMap_move_elements_loop t hm slots1 i2 in + let (hm1, v) = back_'a in + Return (hm1, v) else Return (ntable, slots) -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::move_elements]: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::move_elements]: Source: 'src/hashmap.rs', lines 171:4-171:95 *) let hashmap_HashMap_move_elements (t : Type0) (ntable : hashmap_HashMap_t t) (slots : alloc_vec_Vec (hashmap_List_t t)) (i : usize) : result ((hashmap_HashMap_t t) & (alloc_vec_Vec (hashmap_List_t t))) = - hashmap_HashMap_move_elements_loop t ntable slots i + let* back_'a = hashmap_HashMap_move_elements_loop t ntable slots i in + let (hm, v) = back_'a in + Return (hm, v) -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::try_resize]: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::try_resize]: Source: 'src/hashmap.rs', lines 140:4-140:28 *) let hashmap_HashMap_try_resize (t : Type0) (self : hashmap_HashMap_t t) : result (hashmap_HashMap_t t) = let* max_usize = scalar_cast U32 Usize core_u32_max in let capacity = alloc_vec_Vec_len (hashmap_List_t t) self.slots in let* n1 = usize_div max_usize 2 in - let (i, i0) = self.max_load_factor in - let* i1 = usize_div n1 i in - if capacity <= i1 + let (i, i1) = self.max_load_factor in + let* i2 = usize_div n1 i in + if capacity <= i2 then - let* i2 = usize_mul capacity 2 in - let* ntable = hashmap_HashMap_new_with_capacity t i2 i i0 in - let* (ntable0, _) = hashmap_HashMap_move_elements t ntable self.slots 0 in + let* i3 = usize_mul capacity 2 in + let* ntable = hashmap_HashMap_new_with_capacity t i3 i i1 in + let* p = hashmap_HashMap_move_elements t ntable self.slots 0 in + let (ntable1, _) = p in Return - { ntable0 with num_entries = self.num_entries; max_load_factor = (i, i0) + { ntable1 with num_entries = self.num_entries; max_load_factor = (i, i1) } - else Return { self with max_load_factor = (i, i0) } + else Return { self with max_load_factor = (i, i1) } -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert]: merged forward/backward function - (there is a single backward function, and the forward function returns ()) +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert]: Source: 'src/hashmap.rs', lines 129:4-129:48 *) let hashmap_HashMap_insert (t : Type0) (self : hashmap_HashMap_t t) (key : usize) (value : t) : result (hashmap_HashMap_t t) = - let* self0 = hashmap_HashMap_insert_no_resize t self key value in - let* i = hashmap_HashMap_len t self0 in - if i > self0.max_load - then hashmap_HashMap_try_resize t self0 - else Return self0 + let* hm = hashmap_HashMap_insert_no_resize t self key value in + let* i = hashmap_HashMap_len t hm in + if i > hm.max_load then hashmap_HashMap_try_resize t hm else Return hm -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::contains_key_in_list]: loop 0: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::contains_key_in_list]: loop 0: Source: 'src/hashmap.rs', lines 206:4-219:5 *) let rec hashmap_HashMap_contains_key_in_list_loop (t : Type0) (key : usize) (ls : hashmap_List_t t) : @@ -275,20 +234,20 @@ let rec hashmap_HashMap_contains_key_in_list_loop (decreases (hashmap_HashMap_contains_key_in_list_loop_decreases t key ls)) = begin match ls with - | Hashmap_List_Cons ckey x tl -> + | Hashmap_List_Cons ckey _ tl -> if ckey = key then Return true else hashmap_HashMap_contains_key_in_list_loop t key tl | Hashmap_List_Nil -> Return false end -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::contains_key_in_list]: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::contains_key_in_list]: Source: 'src/hashmap.rs', lines 206:4-206:68 *) let hashmap_HashMap_contains_key_in_list (t : Type0) (key : usize) (ls : hashmap_List_t t) : result bool = hashmap_HashMap_contains_key_in_list_loop t key ls -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::contains_key]: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::contains_key]: Source: 'src/hashmap.rs', lines 199:4-199:49 *) let hashmap_HashMap_contains_key (t : Type0) (self : hashmap_HashMap_t t) (key : usize) : result bool = @@ -301,7 +260,7 @@ let hashmap_HashMap_contains_key self.slots hash_mod in hashmap_HashMap_contains_key_in_list t key l -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_in_list]: loop 0: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_in_list]: loop 0: Source: 'src/hashmap.rs', lines 224:4-237:5 *) let rec hashmap_HashMap_get_in_list_loop (t : Type0) (key : usize) (ls : hashmap_List_t t) : @@ -316,13 +275,13 @@ let rec hashmap_HashMap_get_in_list_loop | Hashmap_List_Nil -> Fail Failure end -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_in_list]: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_in_list]: Source: 'src/hashmap.rs', lines 224:4-224:70 *) let hashmap_HashMap_get_in_list (t : Type0) (key : usize) (ls : hashmap_List_t t) : result t = hashmap_HashMap_get_in_list_loop t key ls -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get]: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get]: Source: 'src/hashmap.rs', lines 239:4-239:55 *) let hashmap_HashMap_get (t : Type0) (self : hashmap_HashMap_t t) (key : usize) : result t = @@ -335,241 +294,162 @@ let hashmap_HashMap_get self.slots hash_mod in hashmap_HashMap_get_in_list t key l -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_mut_in_list]: loop 0: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_mut_in_list]: loop 0: Source: 'src/hashmap.rs', lines 245:4-254:5 *) let rec hashmap_HashMap_get_mut_in_list_loop (t : Type0) (ls : hashmap_List_t t) (key : usize) : - Tot (result t) - (decreases (hashmap_HashMap_get_mut_in_list_loop_decreases t ls key)) - = - begin match ls with - | Hashmap_List_Cons ckey cvalue tl -> - if ckey = key - then Return cvalue - else hashmap_HashMap_get_mut_in_list_loop t tl key - | Hashmap_List_Nil -> Fail Failure - end - -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_mut_in_list]: forward function - Source: 'src/hashmap.rs', lines 245:4-245:86 *) -let hashmap_HashMap_get_mut_in_list - (t : Type0) (ls : hashmap_List_t t) (key : usize) : result t = - hashmap_HashMap_get_mut_in_list_loop t ls key - -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_mut_in_list]: loop 0: backward function 0 - Source: 'src/hashmap.rs', lines 245:4-254:5 *) -let rec hashmap_HashMap_get_mut_in_list_loop_back - (t : Type0) (ls : hashmap_List_t t) (key : usize) (ret : t) : - Tot (result (hashmap_List_t t)) + Tot (result (t & (t -> result (hashmap_List_t t)))) (decreases (hashmap_HashMap_get_mut_in_list_loop_decreases t ls key)) = begin match ls with | Hashmap_List_Cons ckey cvalue tl -> if ckey = key - then Return (Hashmap_List_Cons ckey ret tl) + then + let back_'a = fun ret -> Return (Hashmap_List_Cons ckey ret tl) in + Return (cvalue, back_'a) else - let* tl0 = hashmap_HashMap_get_mut_in_list_loop_back t tl key ret in - Return (Hashmap_List_Cons ckey cvalue tl0) + let* (x, back_'a) = hashmap_HashMap_get_mut_in_list_loop t tl key in + let back_'a1 = + fun ret -> + let* tl1 = back_'a ret in Return (Hashmap_List_Cons ckey cvalue tl1) + in + Return (x, back_'a1) | Hashmap_List_Nil -> Fail Failure end -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_mut_in_list]: backward function 0 +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_mut_in_list]: Source: 'src/hashmap.rs', lines 245:4-245:86 *) -let hashmap_HashMap_get_mut_in_list_back - (t : Type0) (ls : hashmap_List_t t) (key : usize) (ret : t) : - result (hashmap_List_t t) +let hashmap_HashMap_get_mut_in_list + (t : Type0) (ls : hashmap_List_t t) (key : usize) : + result (t & (t -> result (hashmap_List_t t))) = - hashmap_HashMap_get_mut_in_list_loop_back t ls key ret + let* (x, back_'a) = hashmap_HashMap_get_mut_in_list_loop t ls key in + let back_'a1 = fun ret -> back_'a ret in + Return (x, back_'a1) -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_mut]: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_mut]: Source: 'src/hashmap.rs', lines 257:4-257:67 *) let hashmap_HashMap_get_mut - (t : Type0) (self : hashmap_HashMap_t t) (key : usize) : result t = - let* hash = hashmap_hash_key key in - let i = alloc_vec_Vec_len (hashmap_List_t t) self.slots in - let* hash_mod = usize_rem hash i in - let* l = - alloc_vec_Vec_index_mut (hashmap_List_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) - self.slots hash_mod in - hashmap_HashMap_get_mut_in_list t l key - -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::get_mut]: backward function 0 - Source: 'src/hashmap.rs', lines 257:4-257:67 *) -let hashmap_HashMap_get_mut_back - (t : Type0) (self : hashmap_HashMap_t t) (key : usize) (ret : t) : - result (hashmap_HashMap_t t) + (t : Type0) (self : hashmap_HashMap_t t) (key : usize) : + result (t & (t -> result (hashmap_HashMap_t t))) = let* hash = hashmap_hash_key key in let i = alloc_vec_Vec_len (hashmap_List_t t) self.slots in let* hash_mod = usize_rem hash i in - let* l = + let* (l, index_mut_back) = alloc_vec_Vec_index_mut (hashmap_List_t t) usize (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) self.slots hash_mod in - let* l0 = hashmap_HashMap_get_mut_in_list_back t l key ret in - let* v = - alloc_vec_Vec_index_mut_back (hashmap_List_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) - self.slots hash_mod l0 in - Return { self with slots = v } - -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::remove_from_list]: loop 0: forward function + let* (x, get_mut_in_list_back) = hashmap_HashMap_get_mut_in_list t l key in + let back_'a = + fun ret -> + let* l1 = get_mut_in_list_back ret in + let* v = index_mut_back l1 in + Return { self with slots = v } in + Return (x, back_'a) + +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::remove_from_list]: loop 0: Source: 'src/hashmap.rs', lines 265:4-291:5 *) let rec hashmap_HashMap_remove_from_list_loop (t : Type0) (key : usize) (ls : hashmap_List_t t) : - Tot (result (option t)) + Tot (result ((option t) & (hashmap_List_t t))) (decreases (hashmap_HashMap_remove_from_list_loop_decreases t key ls)) = begin match ls with | Hashmap_List_Cons ckey x tl -> if ckey = key then - let mv_ls = + let (mv_ls, _) = core_mem_replace (hashmap_List_t t) (Hashmap_List_Cons ckey x tl) Hashmap_List_Nil in begin match mv_ls with - | Hashmap_List_Cons i cvalue tl0 -> Return (Some cvalue) - | Hashmap_List_Nil -> Fail Failure - end - else hashmap_HashMap_remove_from_list_loop t key tl - | Hashmap_List_Nil -> Return None - end - -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::remove_from_list]: forward function - Source: 'src/hashmap.rs', lines 265:4-265:69 *) -let hashmap_HashMap_remove_from_list - (t : Type0) (key : usize) (ls : hashmap_List_t t) : result (option t) = - hashmap_HashMap_remove_from_list_loop t key ls - -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::remove_from_list]: loop 0: backward function 1 - Source: 'src/hashmap.rs', lines 265:4-291:5 *) -let rec hashmap_HashMap_remove_from_list_loop_back - (t : Type0) (key : usize) (ls : hashmap_List_t t) : - Tot (result (hashmap_List_t t)) - (decreases (hashmap_HashMap_remove_from_list_loop_decreases t key ls)) - = - begin match ls with - | Hashmap_List_Cons ckey x tl -> - if ckey = key - then - let mv_ls = - core_mem_replace (hashmap_List_t t) (Hashmap_List_Cons ckey x tl) - Hashmap_List_Nil in - begin match mv_ls with - | Hashmap_List_Cons i cvalue tl0 -> Return tl0 + | Hashmap_List_Cons _ cvalue tl1 -> Return (Some cvalue, tl1) | Hashmap_List_Nil -> Fail Failure end else - let* tl0 = hashmap_HashMap_remove_from_list_loop_back t key tl in - Return (Hashmap_List_Cons ckey x tl0) - | Hashmap_List_Nil -> Return Hashmap_List_Nil + let* (o, back) = hashmap_HashMap_remove_from_list_loop t key tl in + Return (o, Hashmap_List_Cons ckey x back) + | Hashmap_List_Nil -> Return (None, Hashmap_List_Nil) end -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::remove_from_list]: backward function 1 +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::remove_from_list]: Source: 'src/hashmap.rs', lines 265:4-265:69 *) -let hashmap_HashMap_remove_from_list_back +let hashmap_HashMap_remove_from_list (t : Type0) (key : usize) (ls : hashmap_List_t t) : - result (hashmap_List_t t) + result ((option t) & (hashmap_List_t t)) = - hashmap_HashMap_remove_from_list_loop_back t key ls + hashmap_HashMap_remove_from_list_loop t key ls -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::remove]: forward function +(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::remove]: Source: 'src/hashmap.rs', lines 294:4-294:52 *) let hashmap_HashMap_remove - (t : Type0) (self : hashmap_HashMap_t t) (key : usize) : result (option t) = - let* hash = hashmap_hash_key key in - let i = alloc_vec_Vec_len (hashmap_List_t t) self.slots in - let* hash_mod = usize_rem hash i in - let* l = - alloc_vec_Vec_index_mut (hashmap_List_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) - self.slots hash_mod in - let* x = hashmap_HashMap_remove_from_list t key l in - begin match x with - | None -> Return None - | Some x0 -> let* _ = usize_sub self.num_entries 1 in Return (Some x0) - end - -(** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::remove]: backward function 0 - Source: 'src/hashmap.rs', lines 294:4-294:52 *) -let hashmap_HashMap_remove_back (t : Type0) (self : hashmap_HashMap_t t) (key : usize) : - result (hashmap_HashMap_t t) + result ((option t) & (hashmap_HashMap_t t)) = let* hash = hashmap_hash_key key in let i = alloc_vec_Vec_len (hashmap_List_t t) self.slots in let* hash_mod = usize_rem hash i in - let* l = + let* (l, index_mut_back) = alloc_vec_Vec_index_mut (hashmap_List_t t) usize (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) self.slots hash_mod in - let* x = hashmap_HashMap_remove_from_list t key l in + let* (x, l1) = hashmap_HashMap_remove_from_list t key l in begin match x with | None -> - let* l0 = hashmap_HashMap_remove_from_list_back t key l in - let* v = - alloc_vec_Vec_index_mut_back (hashmap_List_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) - self.slots hash_mod l0 in - Return { self with slots = v } - | Some x0 -> - let* i0 = usize_sub self.num_entries 1 in - let* l0 = hashmap_HashMap_remove_from_list_back t key l in - let* v = - alloc_vec_Vec_index_mut_back (hashmap_List_t t) usize - (core_slice_index_SliceIndexUsizeSliceTInst (hashmap_List_t t)) - self.slots hash_mod l0 in - Return { self with num_entries = i0; slots = v } + let* v = index_mut_back l1 in Return (None, { self with slots = v }) + | Some x1 -> + let* i1 = usize_sub self.num_entries 1 in + let* v = index_mut_back l1 in + Return (Some x1, { self with num_entries = i1; slots = v }) end -(** [hashmap_main::hashmap::test1]: forward function +(** [hashmap_main::hashmap::test1]: Source: 'src/hashmap.rs', lines 315:0-315:10 *) let hashmap_test1 : result unit = let* hm = hashmap_HashMap_new u64 in - let* hm0 = hashmap_HashMap_insert u64 hm 0 42 in - let* hm1 = hashmap_HashMap_insert u64 hm0 128 18 in - let* hm2 = hashmap_HashMap_insert u64 hm1 1024 138 in - let* hm3 = hashmap_HashMap_insert u64 hm2 1056 256 in - let* i = hashmap_HashMap_get u64 hm3 128 in + let* hm1 = hashmap_HashMap_insert u64 hm 0 42 in + let* hm2 = hashmap_HashMap_insert u64 hm1 128 18 in + let* hm3 = hashmap_HashMap_insert u64 hm2 1024 138 in + let* hm4 = hashmap_HashMap_insert u64 hm3 1056 256 in + let* i = hashmap_HashMap_get u64 hm4 128 in if not (i = 18) then Fail Failure else - let* hm4 = hashmap_HashMap_get_mut_back u64 hm3 1024 56 in - let* i0 = hashmap_HashMap_get u64 hm4 1024 in - if not (i0 = 56) + let* (_, get_mut_back) = hashmap_HashMap_get_mut u64 hm4 1024 in + let* hm5 = get_mut_back 56 in + let* i1 = hashmap_HashMap_get u64 hm5 1024 in + if not (i1 = 56) then Fail Failure else - let* x = hashmap_HashMap_remove u64 hm4 1024 in + let* (x, hm6) = hashmap_HashMap_remove u64 hm5 1024 in begin match x with | None -> Fail Failure - | Some x0 -> - if not (x0 = 56) + | Some x1 -> + if not (x1 = 56) then Fail Failure else - let* hm5 = hashmap_HashMap_remove_back u64 hm4 1024 in - let* i1 = hashmap_HashMap_get u64 hm5 0 in - if not (i1 = 42) + let* i2 = hashmap_HashMap_get u64 hm6 0 in + if not (i2 = 42) then Fail Failure else - let* i2 = hashmap_HashMap_get u64 hm5 128 in - if not (i2 = 18) + let* i3 = hashmap_HashMap_get u64 hm6 128 in + if not (i3 = 18) then Fail Failure else - let* i3 = hashmap_HashMap_get u64 hm5 1056 in - if not (i3 = 256) then Fail Failure else Return () + let* i4 = hashmap_HashMap_get u64 hm6 1056 in + if not (i4 = 256) then Fail Failure else Return () end -(** [hashmap_main::insert_on_disk]: forward function +(** [hashmap_main::insert_on_disk]: Source: 'src/hashmap_main.rs', lines 7:0-7:43 *) let insert_on_disk (key : usize) (value : u64) (st : state) : result (state & unit) = - let* (st0, hm) = hashmap_utils_deserialize st in - let* hm0 = hashmap_HashMap_insert u64 hm key value in - let* (st1, _) = hashmap_utils_serialize hm0 st0 in - Return (st1, ()) + let* (st1, hm) = hashmap_utils_deserialize st in + let* hm1 = hashmap_HashMap_insert u64 hm key value in + let* (st2, _) = hashmap_utils_serialize hm1 st1 in + Return (st2, ()) -(** [hashmap_main::main]: forward function +(** [hashmap_main::main]: Source: 'src/hashmap_main.rs', lines 16:0-16:13 *) let main : result unit = Return () diff --git a/tests/fstar/hashmap_on_disk/HashmapMain.FunsExternal.fsti b/tests/fstar/hashmap_on_disk/HashmapMain.FunsExternal.fsti index b00bbcde..50a6509f 100644 --- a/tests/fstar/hashmap_on_disk/HashmapMain.FunsExternal.fsti +++ b/tests/fstar/hashmap_on_disk/HashmapMain.FunsExternal.fsti @@ -6,12 +6,12 @@ include HashmapMain.Types #set-options "--z3rlimit 50 --fuel 1 --ifuel 1" -(** [hashmap_main::hashmap_utils::deserialize]: forward function +(** [hashmap_main::hashmap_utils::deserialize]: Source: 'src/hashmap_utils.rs', lines 10:0-10:43 *) val hashmap_utils_deserialize : state -> result (state & (hashmap_HashMap_t u64)) -(** [hashmap_main::hashmap_utils::serialize]: forward function +(** [hashmap_main::hashmap_utils::serialize]: Source: 'src/hashmap_utils.rs', lines 5:0-5:42 *) val hashmap_utils_serialize : hashmap_HashMap_t u64 -> state -> result (state & unit) diff --git a/tests/fstar/hashmap_on_disk/Primitives.fst b/tests/fstar/hashmap_on_disk/Primitives.fst index a3ffbde4..fca80829 100644 --- a/tests/fstar/hashmap_on_disk/Primitives.fst +++ b/tests/fstar/hashmap_on_disk/Primitives.fst @@ -55,8 +55,7 @@ type string = string let is_zero (n: nat) : bool = n = 0 let decrease (n: nat{n > 0}) : nat = n - 1 -let core_mem_replace (a : Type0) (x : a) (y : a) : a = x -let core_mem_replace_back (a : Type0) (x : a) (y : a) : a = y +let core_mem_replace (a : Type0) (x : a) (y : a) : a & a = (x, x) // We don't really use raw pointers for now type mut_raw_ptr (t : Type0) = { v : t } @@ -477,8 +476,7 @@ noeq type core_ops_index_Index (self idx : Type0) = { // Trait declaration: [core::ops::index::IndexMut] noeq type core_ops_index_IndexMut (self idx : Type0) = { indexInst : core_ops_index_Index self idx; - index_mut : self → idx → result indexInst.output; - index_mut_back : self → idx → indexInst.output → result self; + index_mut : self → idx → result (indexInst.output & (indexInst.output → result self)); } // Trait declaration [core::ops::deref::Deref] @@ -490,8 +488,7 @@ noeq type core_ops_deref_Deref (self : Type0) = { // Trait declaration [core::ops::deref::DerefMut] noeq type core_ops_deref_DerefMut (self : Type0) = { derefInst : core_ops_deref_Deref self; - deref_mut : self → result derefInst.target; - deref_mut_back : self → derefInst.target → result self; + deref_mut : self → result (derefInst.target & (derefInst.target → result self)); } type core_ops_range_Range (a : Type0) = { @@ -502,8 +499,8 @@ type core_ops_range_Range (a : Type0) = { (*** [alloc] *) let alloc_boxed_Box_deref (t : Type0) (x : t) : result t = Return x -let alloc_boxed_Box_deref_mut (t : Type0) (x : t) : result t = Return x -let alloc_boxed_Box_deref_mut_back (t : Type) (_ : t) (x : t) : result t = Return x +let alloc_boxed_Box_deref_mut (t : Type0) (x : t) : result (t & (t -> result t)) = + Return (x, (fun x -> Return x)) // Trait instance let alloc_boxed_Box_coreopsDerefInst (self : Type0) : core_ops_deref_Deref self = { @@ -515,7 +512,6 @@ let alloc_boxed_Box_coreopsDerefInst (self : Type0) : core_ops_deref_Deref self let alloc_boxed_Box_coreopsDerefMutInst (self : Type0) : core_ops_deref_DerefMut self = { derefInst = alloc_boxed_Box_coreopsDerefInst self; deref_mut = alloc_boxed_Box_deref_mut self; - deref_mut_back = alloc_boxed_Box_deref_mut_back self; } (*** Array *) @@ -535,10 +531,18 @@ let array_index_usize (a : Type0) (n : usize) (x : array a n) (i : usize) : resu if i < length x then Return (index x i) else Fail Failure -let array_update_usize (a : Type0) (n : usize) (x : array a n) (i : usize) (nx : a) : result (array a n) = +let array_update_usize (a : Type0) (n : usize) (x : array a n) (i : usize) (nx : a) : + result (array a n) = if i < length x then Return (list_update x i nx) else Fail Failure +let array_index_mut_usize (a : Type0) (n : usize) (x : array a n) (i : usize) : + result (a & (a -> result (array a n))) = + match array_index_usize a n x i with + | Fail e -> Fail e + | Return v -> + Return (v, array_update_usize a n x i) + (*** Slice *) type slice (a : Type0) = s:list a{length s <= usize_max} @@ -552,6 +556,13 @@ let slice_update_usize (a : Type0) (x : slice a) (i : usize) (nx : a) : result ( if i < length x then Return (list_update x i nx) else Fail Failure +let slice_index_mut_usize (a : Type0) (s : slice a) (i : usize) : + result (a & (a -> result (slice a))) = + match slice_index_usize a s i with + | Fail e -> Fail e + | Return x -> + Return (x, slice_update_usize a s i) + (*** Subslices *) let array_to_slice (a : Type0) (n : usize) (x : array a n) : result (slice a) = Return x @@ -559,6 +570,10 @@ let array_from_slice (a : Type0) (n : usize) (x : array a n) (s : slice a) : res if length s = n then Return s else Fail Failure +let array_to_slice_mut (a : Type0) (n : usize) (x : array a n) : + result (slice a & (slice a -> result (array a n))) = + Return (x, array_from_slice a n x) + // TODO: finish the definitions below (there lacks [List.drop] and [List.take] in the standard library *) let array_subslice (a : Type0) (n : usize) (x : array a n) (r : core_ops_range_Range usize) : result (slice a) = admit() @@ -588,8 +603,13 @@ let alloc_vec_Vec_index_usize (#a : Type0) (v : alloc_vec_Vec a) (i : usize) : r let alloc_vec_Vec_update_usize (#a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : result (alloc_vec_Vec a) = if i < length v then Return (list_update v i x) else Fail Failure -// The **forward** function shouldn't be used -let alloc_vec_Vec_push_fwd (a : Type0) (v : alloc_vec_Vec a) (x : a) : unit = () +let alloc_vec_Vec_index_mut_usize (#a : Type0) (v: alloc_vec_Vec a) (i: usize) : + result (a & (a → result (alloc_vec_Vec a))) = + match alloc_vec_Vec_index_usize v i with + | Return x -> + Return (x, alloc_vec_Vec_update_usize v i) + | Fail e -> Fail e + let alloc_vec_Vec_push (a : Type0) (v : alloc_vec_Vec a) (x : a) : Pure (result (alloc_vec_Vec a)) (requires True) @@ -605,9 +625,6 @@ let alloc_vec_Vec_push (a : Type0) (v : alloc_vec_Vec a) (x : a) : end else Fail Failure -// The **forward** function shouldn't be used -let alloc_vec_Vec_insert_fwd (a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : result unit = - if i < length v then Return () else Fail Failure let alloc_vec_Vec_insert (a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : result (alloc_vec_Vec a) = if i < length v then Return (list_update v i x) else Fail Failure @@ -619,13 +636,11 @@ noeq type core_slice_index_SliceIndex (self t : Type0) = { sealedInst : core_slice_index_private_slice_index_Sealed self; output : Type0; get : self → t → result (option output); - get_mut : self → t → result (option output); - get_mut_back : self → t → option output → result t; + get_mut : self → t → result (option output & (option output -> result t)); get_unchecked : self → const_raw_ptr t → result (const_raw_ptr output); get_unchecked_mut : self → mut_raw_ptr t → result (mut_raw_ptr output); index : self → t → result output; - index_mut : self → t → result output; - index_mut_back : self → t → output → result t; + index_mut : self → t → result (output & (output -> result t)); } // [core::slice::index::[T]::index]: forward function @@ -643,14 +658,8 @@ let core_slice_index_RangeUsize_get (t : Type0) (i : core_ops_range_Range usize) admit () // TODO // [core::slice::index::Range::get_mut]: forward function -let core_slice_index_RangeUsize_get_mut - (t : Type0) : core_ops_range_Range usize → slice t → result (option (slice t)) = - admit () // TODO - -// [core::slice::index::Range::get_mut]: backward function 0 -let core_slice_index_RangeUsize_get_mut_back - (t : Type0) : - core_ops_range_Range usize → slice t → option (slice t) → result (slice t) = +let core_slice_index_RangeUsize_get_mut (t : Type0) : + core_ops_range_Range usize → slice t → result (option (slice t) & (option (slice t) -> result (slice t))) = admit () // TODO // [core::slice::index::Range::get_unchecked]: forward function @@ -675,27 +684,16 @@ let core_slice_index_RangeUsize_index admit () // TODO // [core::slice::index::Range::index_mut]: forward function -let core_slice_index_RangeUsize_index_mut - (t : Type0) : core_ops_range_Range usize → slice t → result (slice t) = - admit () // TODO - -// [core::slice::index::Range::index_mut]: backward function 0 -let core_slice_index_RangeUsize_index_mut_back - (t : Type0) : core_ops_range_Range usize → slice t → slice t → result (slice t) = +let core_slice_index_RangeUsize_index_mut (t : Type0) : + core_ops_range_Range usize → slice t → result (slice t & (slice t -> result (slice t))) = admit () // TODO // [core::slice::index::[T]::index_mut]: forward function let core_slice_index_Slice_index_mut (t idx : Type0) (inst : core_slice_index_SliceIndex idx (slice t)) : - slice t → idx → result inst.output = + slice t → idx → result (inst.output & (inst.output -> result (slice t))) = admit () // -// [core::slice::index::[T]::index_mut]: backward function 0 -let core_slice_index_Slice_index_mut_back - (t idx : Type0) (inst : core_slice_index_SliceIndex idx (slice t)) : - slice t → idx → inst.output → result (slice t) = - admit () // TODO - // [core::array::[T; N]::index]: forward function let core_array_Array_index (t idx : Type0) (n : usize) (inst : core_ops_index_Index (slice t) idx) @@ -705,13 +703,8 @@ let core_array_Array_index // [core::array::[T; N]::index_mut]: forward function let core_array_Array_index_mut (t idx : Type0) (n : usize) (inst : core_ops_index_IndexMut (slice t) idx) - (a : array t n) (i : idx) : result inst.indexInst.output = - admit () // TODO - -// [core::array::[T; N]::index_mut]: backward function 0 -let core_array_Array_index_mut_back - (t idx : Type0) (n : usize) (inst : core_ops_index_IndexMut (slice t) idx) - (a : array t n) (i : idx) (x : inst.indexInst.output) : result (array t n) = + (a : array t n) (i : idx) : + result (inst.indexInst.output & (inst.indexInst.output -> result (array t n))) = admit () // TODO // Trait implementation: [core::slice::index::private_slice_index::Range] @@ -725,12 +718,10 @@ let core_slice_index_SliceIndexRangeUsizeSliceTInst (t : Type0) : output = slice t; get = core_slice_index_RangeUsize_get t; get_mut = core_slice_index_RangeUsize_get_mut t; - get_mut_back = core_slice_index_RangeUsize_get_mut_back t; get_unchecked = core_slice_index_RangeUsize_get_unchecked t; get_unchecked_mut = core_slice_index_RangeUsize_get_unchecked_mut t; index = core_slice_index_RangeUsize_index t; index_mut = core_slice_index_RangeUsize_index_mut t; - index_mut_back = core_slice_index_RangeUsize_index_mut_back t; } // Trait implementation: [core::slice::index::[T]] @@ -747,7 +738,6 @@ let core_ops_index_IndexMutSliceTIInst (t idx : Type0) core_ops_index_IndexMut (slice t) idx = { indexInst = core_ops_index_IndexSliceTIInst t idx inst; index_mut = core_slice_index_Slice_index_mut t idx inst; - index_mut_back = core_slice_index_Slice_index_mut_back t idx inst; } // Trait implementation: [core::array::[T; N]] @@ -764,7 +754,6 @@ let core_ops_index_IndexMutArrayIInst (t idx : Type0) (n : usize) core_ops_index_IndexMut (array t n) idx = { indexInst = core_ops_index_IndexArrayInst t idx n inst.indexInst; index_mut = core_array_Array_index_mut t idx n inst; - index_mut_back = core_array_Array_index_mut_back t idx n inst; } // [core::slice::index::usize::get]: forward function @@ -773,13 +762,8 @@ let core_slice_index_usize_get admit () // TODO // [core::slice::index::usize::get_mut]: forward function -let core_slice_index_usize_get_mut - (t : Type0) : usize → slice t → result (option t) = - admit () // TODO - -// [core::slice::index::usize::get_mut]: backward function 0 -let core_slice_index_usize_get_mut_back - (t : Type0) : usize → slice t → option t → result (slice t) = +let core_slice_index_usize_get_mut (t : Type0) : + usize → slice t → result (option t & (option t -> result (slice t))) = admit () // TODO // [core::slice::index::usize::get_unchecked]: forward function @@ -797,12 +781,8 @@ let core_slice_index_usize_index (t : Type0) : usize → slice t → result t = admit () // TODO // [core::slice::index::usize::index_mut]: forward function -let core_slice_index_usize_index_mut (t : Type0) : usize → slice t → result t = - admit () // TODO - -// [core::slice::index::usize::index_mut]: backward function 0 -let core_slice_index_usize_index_mut_back - (t : Type0) : usize → slice t → t → result (slice t) = +let core_slice_index_usize_index_mut (t : Type0) : + usize → slice t → result (t & (t -> result (slice t))) = admit () // TODO // Trait implementation: [core::slice::index::private_slice_index::usize] @@ -816,12 +796,10 @@ let core_slice_index_SliceIndexUsizeSliceTInst (t : Type0) : output = t; get = core_slice_index_usize_get t; get_mut = core_slice_index_usize_get_mut t; - get_mut_back = core_slice_index_usize_get_mut_back t; get_unchecked = core_slice_index_usize_get_unchecked t; get_unchecked_mut = core_slice_index_usize_get_unchecked_mut t; index = core_slice_index_usize_index t; index_mut = core_slice_index_usize_index_mut t; - index_mut_back = core_slice_index_usize_index_mut_back t; } // [alloc::vec::Vec::index]: forward function @@ -831,13 +809,8 @@ let alloc_vec_Vec_index (t idx : Type0) (inst : core_slice_index_SliceIndex idx // [alloc::vec::Vec::index_mut]: forward function let alloc_vec_Vec_index_mut (t idx : Type0) (inst : core_slice_index_SliceIndex idx (slice t)) - (self : alloc_vec_Vec t) (i : idx) : result inst.output = - admit () // TODO - -// [alloc::vec::Vec::index_mut]: backward function 0 -let alloc_vec_Vec_index_mut_back - (t idx : Type0) (inst : core_slice_index_SliceIndex idx (slice t)) - (self : alloc_vec_Vec t) (i : idx) (x : inst.output) : result (alloc_vec_Vec t) = + (self : alloc_vec_Vec t) (i : idx) : + result (inst.output & (inst.output -> result (alloc_vec_Vec t))) = admit () // TODO // Trait implementation: [alloc::vec::Vec] @@ -854,7 +827,6 @@ let alloc_vec_Vec_coreopsindexIndexMutInst (t idx : Type0) core_ops_index_IndexMut (alloc_vec_Vec t) idx = { indexInst = alloc_vec_Vec_coreopsindexIndexInst t idx inst; index_mut = alloc_vec_Vec_index_mut t idx inst; - index_mut_back = alloc_vec_Vec_index_mut_back t idx inst; } (*** Theorems *) @@ -870,15 +842,7 @@ let alloc_vec_Vec_index_eq (#a : Type0) (v : alloc_vec_Vec a) (i : usize) : let alloc_vec_Vec_index_mut_eq (#a : Type0) (v : alloc_vec_Vec a) (i : usize) : Lemma ( alloc_vec_Vec_index_mut a usize (core_slice_index_SliceIndexUsizeSliceTInst a) v i == - alloc_vec_Vec_index_usize v i) + alloc_vec_Vec_index_mut_usize v i) [SMTPat (alloc_vec_Vec_index_mut a usize (core_slice_index_SliceIndexUsizeSliceTInst a) v i)] = admit() - -let alloc_vec_Vec_index_mut_back_eq (#a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : - Lemma ( - alloc_vec_Vec_index_mut_back a usize (core_slice_index_SliceIndexUsizeSliceTInst a) v i x == - alloc_vec_Vec_update_usize v i x) - [SMTPat (alloc_vec_Vec_index_mut_back a usize (core_slice_index_SliceIndexUsizeSliceTInst a) v i x)] - = - admit() |