diff options
Diffstat (limited to 'tests/fstar/betree')
-rw-r--r-- | tests/fstar/betree/BetreeMain.Funs.fst | 120 | ||||
-rw-r--r-- | tests/fstar/betree/Primitives.fst | 56 |
2 files changed, 88 insertions, 88 deletions
diff --git a/tests/fstar/betree/BetreeMain.Funs.fst b/tests/fstar/betree/BetreeMain.Funs.fst index 129e6f7e..8e64f43f 100644 --- a/tests/fstar/betree/BetreeMain.Funs.fst +++ b/tests/fstar/betree/BetreeMain.Funs.fst @@ -41,19 +41,19 @@ let betree_store_leaf_node (** [betree_main::betree::fresh_node_id]: Source: 'src/betree.rs', lines 55:0-55:48 *) let betree_fresh_node_id (counter : u64) : result (u64 & u64) = - let* counter1 = u64_add counter 1 in Return (counter, counter1) + let* counter1 = u64_add counter 1 in Ok (counter, counter1) (** [betree_main::betree::{betree_main::betree::NodeIdCounter}::new]: Source: 'src/betree.rs', lines 206:4-206:20 *) let betree_NodeIdCounter_new : result betree_NodeIdCounter_t = - Return { next_node_id = 0 } + Ok { next_node_id = 0 } (** [betree_main::betree::{betree_main::betree::NodeIdCounter}::fresh_id]: Source: 'src/betree.rs', lines 210:4-210:36 *) let betree_NodeIdCounter_fresh_id (self : betree_NodeIdCounter_t) : result (u64 & betree_NodeIdCounter_t) = let* i = u64_add self.next_node_id 1 in - Return (self.next_node_id, { next_node_id = i }) + Ok (self.next_node_id, { next_node_id = i }) (** [betree_main::betree::upsert_update]: Source: 'src/betree.rs', lines 234:0-234:70 *) @@ -62,16 +62,16 @@ let betree_upsert_update begin match prev with | None -> begin match st with - | Betree_UpsertFunState_Add v -> Return v - | Betree_UpsertFunState_Sub _ -> Return 0 + | Betree_UpsertFunState_Add v -> Ok v + | Betree_UpsertFunState_Sub _ -> Ok 0 end | Some prev1 -> begin match st with | Betree_UpsertFunState_Add v -> let* margin = u64_sub core_u64_max prev1 in - if margin >= v then u64_add prev1 v else Return core_u64_max + if margin >= v then u64_add prev1 v else Ok core_u64_max | Betree_UpsertFunState_Sub v -> - if prev1 >= v then u64_sub prev1 v else Return 0 + if prev1 >= v then u64_sub prev1 v else Ok 0 end end @@ -83,7 +83,7 @@ let rec betree_List_len = begin match self with | Betree_List_Cons _ tl -> let* i = betree_List_len t tl in u64_add 1 i - | Betree_List_Nil -> Return 0 + | Betree_List_Nil -> Ok 0 end (** [betree_main::betree::{betree_main::betree::List<T>#1}::split_at]: @@ -94,14 +94,14 @@ let rec betree_List_split_at (decreases (betree_List_split_at_decreases t self n)) = if n = 0 - then Return (Betree_List_Nil, self) + then Ok (Betree_List_Nil, self) else begin match self with | Betree_List_Cons hd tl -> let* i = u64_sub n 1 in let* p = betree_List_split_at t tl i in let (ls0, ls1) = p in - Return (Betree_List_Cons hd ls0, ls1) + Ok (Betree_List_Cons hd ls0, ls1) | Betree_List_Nil -> Fail Failure end @@ -110,7 +110,7 @@ let rec betree_List_split_at let betree_List_push_front (t : Type0) (self : betree_List_t t) (x : t) : result (betree_List_t t) = let (tl, _) = core_mem_replace (betree_List_t t) self Betree_List_Nil in - Return (Betree_List_Cons x tl) + Ok (Betree_List_Cons x tl) (** [betree_main::betree::{betree_main::betree::List<T>#1}::pop_front]: Source: 'src/betree.rs', lines 306:4-306:32 *) @@ -118,7 +118,7 @@ let betree_List_pop_front (t : Type0) (self : betree_List_t t) : result (t & (betree_List_t t)) = let (ls, _) = core_mem_replace (betree_List_t t) self Betree_List_Nil in begin match ls with - | Betree_List_Cons x tl -> Return (x, tl) + | Betree_List_Cons x tl -> Ok (x, tl) | Betree_List_Nil -> Fail Failure end @@ -126,7 +126,7 @@ let betree_List_pop_front Source: 'src/betree.rs', lines 318:4-318:22 *) let betree_List_hd (t : Type0) (self : betree_List_t t) : result t = begin match self with - | Betree_List_Cons hd _ -> Return hd + | Betree_List_Cons hd _ -> Ok hd | Betree_List_Nil -> Fail Failure end @@ -135,8 +135,8 @@ let betree_List_hd (t : Type0) (self : betree_List_t t) : result t = let betree_ListPairU64T_head_has_key (t : Type0) (self : betree_List_t (u64 & t)) (key : u64) : result bool = begin match self with - | Betree_List_Cons hd _ -> let (i, _) = hd in Return (i = key) - | Betree_List_Nil -> Return false + | Betree_List_Cons hd _ -> let (i, _) = hd in Ok (i = key) + | Betree_List_Nil -> Ok false end (** [betree_main::betree::{betree_main::betree::List<(u64, T)>#2}::partition_at_pivot]: @@ -150,12 +150,12 @@ let rec betree_ListPairU64T_partition_at_pivot | Betree_List_Cons hd tl -> let (i, x) = hd in if i >= pivot - then Return (Betree_List_Nil, Betree_List_Cons (i, x) tl) + then Ok (Betree_List_Nil, Betree_List_Cons (i, x) tl) else let* p = betree_ListPairU64T_partition_at_pivot t tl pivot in let (ls0, ls1) = p in - Return (Betree_List_Cons (i, x) ls0, ls1) - | Betree_List_Nil -> Return (Betree_List_Nil, Betree_List_Nil) + Ok (Betree_List_Cons (i, x) ls0, ls1) + | Betree_List_Nil -> Ok (Betree_List_Nil, Betree_List_Nil) end (** [betree_main::betree::{betree_main::betree::Leaf#3}::split]: @@ -176,7 +176,7 @@ let betree_Leaf_split let* (st2, _) = betree_store_leaf_node id1 content1 st1 in let n = Betree_Node_Leaf { id = id0; size = params.split_size } in let n1 = Betree_Node_Leaf { id = id1; size = params.split_size } in - Return (st2, ({ id = self.id; pivot = pivot; left = n; right = n1 }, + Ok (st2, ({ id = self.id; pivot = pivot; left = n; right = n1 }, node_id_cnt2)) (** [betree_main::betree::{betree_main::betree::Node#5}::lookup_first_message_for_key]: @@ -191,16 +191,16 @@ let rec betree_Node_lookup_first_message_for_key | Betree_List_Cons x next_msgs -> let (i, m) = x in if i >= key - then Return (Betree_List_Cons (i, m) next_msgs, Return) + then Ok (Betree_List_Cons (i, m) next_msgs, Ok) else let* (l, lookup_first_message_for_key_back) = betree_Node_lookup_first_message_for_key key next_msgs in let back = fun ret -> let* next_msgs1 = lookup_first_message_for_key_back ret in - Return (Betree_List_Cons (i, m) next_msgs1) in - Return (l, back) - | Betree_List_Nil -> Return (Betree_List_Nil, Return) + Ok (Betree_List_Cons (i, m) next_msgs1) in + Ok (l, back) + | Betree_List_Nil -> Ok (Betree_List_Nil, Ok) end (** [betree_main::betree::{betree_main::betree::Node#5}::lookup_in_bindings]: @@ -214,9 +214,9 @@ let rec betree_Node_lookup_in_bindings | Betree_List_Cons hd tl -> let (i, i1) = hd in if i = key - then Return (Some i1) - else if i > key then Return None else betree_Node_lookup_in_bindings key tl - | Betree_List_Nil -> Return None + then Ok (Some i1) + else if i > key then Ok None else betree_Node_lookup_in_bindings key tl + | Betree_List_Nil -> Ok None end (** [betree_main::betree::{betree_main::betree::Node#5}::apply_upserts]: @@ -244,7 +244,7 @@ let rec betree_Node_apply_upserts let* msgs1 = betree_List_push_front (u64 & betree_Message_t) msgs (key, Betree_Message_Insert v) in - Return (st1, (v, msgs1)) + Ok (st1, (v, msgs1)) (** [betree_main::betree::{betree_main::betree::Internal#4}::lookup_in_children]: Source: 'src/betree.rs', lines 395:4-395:63 *) @@ -256,10 +256,10 @@ let rec betree_Internal_lookup_in_children if key < self.pivot then let* (st1, (o, n)) = betree_Node_lookup self.left key st in - Return (st1, (o, { self with left = n })) + Ok (st1, (o, { self with left = n })) else let* (st1, (o, n)) = betree_Node_lookup self.right key st in - Return (st1, (o, { self with right = n })) + Ok (st1, (o, { self with right = n })) (** [betree_main::betree::{betree_main::betree::Node#5}::lookup]: Source: 'src/betree.rs', lines 709:4-709:58 *) @@ -282,19 +282,19 @@ and betree_Node_lookup betree_Internal_lookup_in_children node key st1 in let* _ = lookup_first_message_for_key_back (Betree_List_Cons (k, msg) l) in - Return (st2, (o, Betree_Node_Internal node1)) + Ok (st2, (o, Betree_Node_Internal node1)) else begin match msg with | Betree_Message_Insert v -> let* _ = lookup_first_message_for_key_back (Betree_List_Cons (k, Betree_Message_Insert v) l) in - Return (st1, (Some v, Betree_Node_Internal node)) + Ok (st1, (Some v, Betree_Node_Internal node)) | Betree_Message_Delete -> let* _ = lookup_first_message_for_key_back (Betree_List_Cons (k, Betree_Message_Delete) l) in - Return (st1, (None, Betree_Node_Internal node)) + Ok (st1, (None, Betree_Node_Internal node)) | Betree_Message_Upsert ufs -> let* (st2, (v, node1)) = betree_Internal_lookup_in_children node key st1 in @@ -303,18 +303,18 @@ and betree_Node_lookup Betree_Message_Upsert ufs) l) v key st2 in let* msgs1 = lookup_first_message_for_key_back pending1 in let* (st4, _) = betree_store_internal_node node1.id msgs1 st3 in - Return (st4, (Some v1, Betree_Node_Internal node1)) + Ok (st4, (Some v1, Betree_Node_Internal node1)) end | Betree_List_Nil -> let* (st2, (o, node1)) = betree_Internal_lookup_in_children node key st1 in let* _ = lookup_first_message_for_key_back Betree_List_Nil in - Return (st2, (o, Betree_Node_Internal node1)) + Ok (st2, (o, Betree_Node_Internal node1)) end | Betree_Node_Leaf node -> let* (st1, bindings) = betree_load_leaf_node node.id st in let* o = betree_Node_lookup_in_bindings key bindings in - Return (st1, (o, Betree_Node_Leaf node)) + Ok (st1, (o, Betree_Node_Leaf node)) end (** [betree_main::betree::{betree_main::betree::Node#5}::filter_messages_for_key]: @@ -333,8 +333,8 @@ let rec betree_Node_filter_messages_for_key betree_List_pop_front (u64 & betree_Message_t) (Betree_List_Cons (k, m) l) in betree_Node_filter_messages_for_key key msgs1 - else Return (Betree_List_Cons (k, m) l) - | Betree_List_Nil -> Return Betree_List_Nil + else Ok (Betree_List_Cons (k, m) l) + | Betree_List_Nil -> Ok Betree_List_Nil end (** [betree_main::betree::{betree_main::betree::Node#5}::lookup_first_message_after_key]: @@ -355,10 +355,10 @@ let rec betree_Node_lookup_first_message_after_key let back = fun ret -> let* next_msgs1 = lookup_first_message_after_key_back ret in - Return (Betree_List_Cons (k, m) next_msgs1) in - Return (l, back) - else Return (Betree_List_Cons (k, m) next_msgs, Return) - | Betree_List_Nil -> Return (Betree_List_Nil, Return) + Ok (Betree_List_Cons (k, m) next_msgs1) in + Ok (l, back) + else Ok (Betree_List_Cons (k, m) next_msgs, Ok) + | Betree_List_Nil -> Ok (Betree_List_Nil, Ok) end (** [betree_main::betree::{betree_main::betree::Node#5}::apply_to_internal]: @@ -434,7 +434,7 @@ let rec betree_Node_apply_messages_to_internal let (i, m) = new_msg in let* msgs1 = betree_Node_apply_to_internal msgs i m in betree_Node_apply_messages_to_internal msgs1 new_msgs_tl - | Betree_List_Nil -> Return msgs + | Betree_List_Nil -> Ok msgs end (** [betree_main::betree::{betree_main::betree::Node#5}::lookup_mut_in_bindings]: @@ -449,16 +449,16 @@ let rec betree_Node_lookup_mut_in_bindings | Betree_List_Cons hd tl -> let (i, i1) = hd in if i >= key - then Return (Betree_List_Cons (i, i1) tl, Return) + then Ok (Betree_List_Cons (i, i1) tl, Ok) else let* (l, lookup_mut_in_bindings_back) = betree_Node_lookup_mut_in_bindings key tl in let back = fun ret -> let* tl1 = lookup_mut_in_bindings_back ret in - Return (Betree_List_Cons (i, i1) tl1) in - Return (l, back) - | Betree_List_Nil -> Return (Betree_List_Nil, Return) + Ok (Betree_List_Cons (i, i1) tl1) in + Ok (l, back) + | Betree_List_Nil -> Ok (Betree_List_Nil, Ok) end (** [betree_main::betree::{betree_main::betree::Node#5}::apply_to_leaf]: @@ -510,7 +510,7 @@ let rec betree_Node_apply_messages_to_leaf let (i, m) = new_msg in let* bindings1 = betree_Node_apply_to_leaf bindings i m in betree_Node_apply_messages_to_leaf bindings1 new_msgs_tl - | Betree_List_Nil -> Return bindings + | Betree_List_Nil -> Ok bindings end (** [betree_main::betree::{betree_main::betree::Internal#4}::flush]: @@ -541,14 +541,14 @@ let rec betree_Internal_flush betree_Node_apply_messages self.right params node_id_cnt1 msgs_right st1 in let (n1, node_id_cnt2) = p2 in - Return (st2, (Betree_List_Nil, ({ self with left = n; right = n1 }, + Ok (st2, (Betree_List_Nil, ({ self with left = n; right = n1 }, node_id_cnt2))) - else Return (st1, (msgs_right, ({ self with left = n }, node_id_cnt1))) + else Ok (st1, (msgs_right, ({ self with left = n }, node_id_cnt1))) else let* (st1, p1) = betree_Node_apply_messages self.right params node_id_cnt msgs_right st in let (n, node_id_cnt1) = p1 in - Return (st1, (msgs_left, ({ self with right = n }, node_id_cnt1))) + Ok (st1, (msgs_left, ({ self with right = n }, node_id_cnt1))) (** [betree_main::betree::{betree_main::betree::Node#5}::apply_messages]: Source: 'src/betree.rs', lines 588:4-593:5 *) @@ -571,10 +571,10 @@ and betree_Node_apply_messages betree_Internal_flush node params node_id_cnt content1 st1 in let (node1, node_id_cnt1) = p in let* (st3, _) = betree_store_internal_node node1.id content2 st2 in - Return (st3, (Betree_Node_Internal node1, node_id_cnt1)) + Ok (st3, (Betree_Node_Internal node1, node_id_cnt1)) else let* (st2, _) = betree_store_internal_node node.id content1 st1 in - Return (st2, (Betree_Node_Internal node, node_id_cnt)) + Ok (st2, (Betree_Node_Internal node, node_id_cnt)) | Betree_Node_Leaf node -> let* (st1, content) = betree_load_leaf_node node.id st in let* content1 = betree_Node_apply_messages_to_leaf content msgs in @@ -585,10 +585,10 @@ and betree_Node_apply_messages let* (st2, (new_node, node_id_cnt1)) = betree_Leaf_split node content1 params node_id_cnt st1 in let* (st3, _) = betree_store_leaf_node node.id Betree_List_Nil st2 in - Return (st3, (Betree_Node_Internal new_node, node_id_cnt1)) + Ok (st3, (Betree_Node_Internal new_node, node_id_cnt1)) else let* (st2, _) = betree_store_leaf_node node.id content1 st1 in - Return (st2, (Betree_Node_Leaf { node with size = len }, node_id_cnt)) + Ok (st2, (Betree_Node_Leaf { node with size = len }, node_id_cnt)) end (** [betree_main::betree::{betree_main::betree::Node#5}::apply]: @@ -603,7 +603,7 @@ let betree_Node_apply betree_Node_apply_messages self params node_id_cnt (Betree_List_Cons (key, new_msg) Betree_List_Nil) st in let (self1, node_id_cnt1) = p in - Return (st1, (self1, node_id_cnt1)) + Ok (st1, (self1, node_id_cnt1)) (** [betree_main::betree::{betree_main::betree::BeTree#6}::new]: Source: 'src/betree.rs', lines 849:4-849:60 *) @@ -614,7 +614,7 @@ let betree_BeTree_new let* node_id_cnt = betree_NodeIdCounter_new in let* (id, node_id_cnt1) = betree_NodeIdCounter_fresh_id node_id_cnt in let* (st1, _) = betree_store_leaf_node id Betree_List_Nil st in - Return (st1, + Ok (st1, { params = { min_flush_size = min_flush_size; split_size = split_size }; node_id_cnt = node_id_cnt1; @@ -630,7 +630,7 @@ let betree_BeTree_apply let* (st1, p) = betree_Node_apply self.root self.params self.node_id_cnt key msg st in let (n, nic) = p in - Return (st1, { self with node_id_cnt = nic; root = n }) + Ok (st1, { self with node_id_cnt = nic; root = n }) (** [betree_main::betree::{betree_main::betree::BeTree#6}::insert]: Source: 'src/betree.rs', lines 874:4-874:52 *) @@ -664,13 +664,13 @@ let betree_BeTree_lookup result (state & ((option u64) & betree_BeTree_t)) = let* (st1, (o, n)) = betree_Node_lookup self.root key st in - Return (st1, (o, { self with root = n })) + Ok (st1, (o, { self with root = n })) (** [betree_main::main]: Source: 'src/betree_main.rs', lines 5:0-5:9 *) let main : result unit = - Return () + Ok () (** Unit test for [betree_main::main] *) -let _ = assert_norm (main = Return ()) +let _ = assert_norm (main = Ok ()) diff --git a/tests/fstar/betree/Primitives.fst b/tests/fstar/betree/Primitives.fst index fca80829..acdb09dc 100644 --- a/tests/fstar/betree/Primitives.fst +++ b/tests/fstar/betree/Primitives.fst @@ -23,11 +23,11 @@ type error : Type0 = | OutOfFuel type result (a : Type0) : Type0 = -| Return : v:a -> result a +| Ok : v:a -> result a | Fail : e:error -> result a // Monadic return operator -unfold let return (#a : Type0) (x : a) : result a = Return x +unfold let return (#a : Type0) (x : a) : result a = Ok x // Monadic bind operator. // Allows to use the notation: @@ -36,17 +36,17 @@ unfold let return (#a : Type0) (x : a) : result a = Return x // ... // ``` unfold let (let*) (#a #b : Type0) (m: result a) - (f: (x:a) -> Pure (result b) (requires (m == Return x)) (ensures fun _ -> True)) : + (f: (x:a) -> Pure (result b) (requires (m == Ok x)) (ensures fun _ -> True)) : result b = match m with - | Return x -> f x + | Ok x -> f x | Fail e -> Fail e // Monadic assert(...) -let massert (b:bool) : result unit = if b then Return () else Fail Failure +let massert (b:bool) : result unit = if b then Ok () else Fail Failure // Normalize and unwrap a successful result (used for globals). -let eval_global (#a : Type0) (x : result a{Return? (normalize_term x)}) : a = Return?.v x +let eval_global (#a : Type0) (x : result a{Ok? (normalize_term x)}) : a = Ok?.v x (*** Misc *) type char = FStar.Char.char @@ -144,7 +144,7 @@ let scalar_max (ty : scalar_ty) : int = type scalar (ty : scalar_ty) : eqtype = x:int{scalar_min ty <= x && x <= scalar_max ty} let mk_scalar (ty : scalar_ty) (x : int) : result (scalar ty) = - if scalar_min ty <= x && scalar_max ty >= x then Return x else Fail Failure + if scalar_min ty <= x && scalar_max ty >= x then Ok x else Fail Failure let scalar_neg (#ty : scalar_ty) (x : scalar ty) : result (scalar ty) = mk_scalar ty (-x) @@ -498,9 +498,9 @@ 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 (t : Type0) (x : t) : result t = Ok x let alloc_boxed_Box_deref_mut (t : Type0) (x : t) : result (t & (t -> result t)) = - Return (x, (fun x -> Return x)) + Ok (x, (fun x -> Ok x)) // Trait instance let alloc_boxed_Box_coreopsDerefInst (self : Type0) : core_ops_deref_Deref self = { @@ -528,20 +528,20 @@ let mk_array (a : Type0) (n : usize) l let array_index_usize (a : Type0) (n : usize) (x : array a n) (i : usize) : result a = - if i < length x then Return (index x i) + if i < length x then Ok (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) = - if i < length x then Return (list_update x i nx) + if i < length x then Ok (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) + | Ok v -> + Ok (v, array_update_usize a n x i) (*** Slice *) type slice (a : Type0) = s:list a{length s <= usize_max} @@ -549,30 +549,30 @@ type slice (a : Type0) = s:list a{length s <= usize_max} let slice_len (a : Type0) (s : slice a) : usize = length s let slice_index_usize (a : Type0) (x : slice a) (i : usize) : result a = - if i < length x then Return (index x i) + if i < length x then Ok (index x i) else Fail Failure let slice_update_usize (a : Type0) (x : slice a) (i : usize) (nx : a) : result (slice a) = - if i < length x then Return (list_update x i nx) + if i < length x then Ok (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) + | Ok x -> + Ok (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 +let array_to_slice (a : Type0) (n : usize) (x : array a n) : result (slice a) = Ok x let array_from_slice (a : Type0) (n : usize) (x : array a n) (s : slice a) : result (array a n) = - if length s = n then Return s + if length s = n then Ok 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) + Ok (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) = @@ -598,16 +598,16 @@ let alloc_vec_Vec_len (a : Type0) (v : alloc_vec_Vec a) : usize = length v // Helper let alloc_vec_Vec_index_usize (#a : Type0) (v : alloc_vec_Vec a) (i : usize) : result a = - if i < length v then Return (index v i) else Fail Failure + if i < length v then Ok (index v i) else Fail Failure // Helper 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 + if i < length v then Ok (list_update v i x) else Fail Failure 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) + | Ok x -> + Ok (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) : @@ -616,17 +616,17 @@ let alloc_vec_Vec_push (a : Type0) (v : alloc_vec_Vec a) (x : a) : (ensures (fun res -> match res with | Fail e -> e == Failure - | Return v' -> length v' = length v + 1)) = + | Ok v' -> length v' = length v + 1)) = if length v < usize_max then begin (**) assert_norm(length [x] == 1); (**) append_length v [x]; (**) assert(length (append v [x]) = length v + 1); - Return (append v [x]) + Ok (append v [x]) end 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 + if i < length v then Ok (list_update v i x) else Fail Failure // Trait declaration: [core::slice::index::private_slice_index::Sealed] type core_slice_index_private_slice_index_Sealed (self : Type0) = unit @@ -650,7 +650,7 @@ let core_slice_index_Slice_index let* x = inst.get i s in match x with | None -> Fail Failure - | Some x -> Return x + | Some x -> Ok x // [core::slice::index::Range:::get]: forward function let core_slice_index_RangeUsize_get (t : Type0) (i : core_ops_range_Range usize) (s : slice t) : |