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-rw-r--r--tests/fstar/demo/Demo.fst36
-rw-r--r--tests/fstar/demo/Primitives.fst56
2 files changed, 44 insertions, 48 deletions
diff --git a/tests/fstar/demo/Demo.fst b/tests/fstar/demo/Demo.fst
index 9c59ab9b..b210662f 100644
--- a/tests/fstar/demo/Demo.fst
+++ b/tests/fstar/demo/Demo.fst
@@ -10,8 +10,8 @@ open Primitives
let choose
(t : Type0) (b : bool) (x : t) (y : t) : result (t & (t -> result (t & t))) =
if b
- then let back = fun ret -> Return (ret, y) in Return (x, back)
- else let back = fun ret -> Return (x, ret) in Return (y, back)
+ then let back = fun ret -> Ok (ret, y) in Ok (x, back)
+ else let back = fun ret -> Ok (x, ret) in Ok (y, back)
(** [demo::mul2_add1]:
Source: 'src/demo.rs', lines 13:0-13:31 *)
@@ -31,7 +31,7 @@ let incr (x : u32) : result u32 =
(** [demo::use_incr]:
Source: 'src/demo.rs', lines 25:0-25:17 *)
let use_incr : result unit =
- let* x = incr 0 in let* x1 = incr x in let* _ = incr x1 in Return ()
+ let* x = incr 0 in let* x1 = incr x in let* _ = incr x1 in Ok ()
(** [demo::CList]
Source: 'src/demo.rs', lines 34:0-34:17 *)
@@ -48,7 +48,7 @@ let rec list_nth (t : Type0) (n : nat) (l : cList_t t) (i : u32) : result t =
let n1 = decrease n in
begin match l with
| CList_CCons x tl ->
- if i = 0 then Return x else let* i1 = u32_sub i 1 in list_nth t n1 tl i1
+ if i = 0 then Ok x else let* i1 = u32_sub i 1 in list_nth t n1 tl i1
| CList_CNil -> Fail Failure
end
@@ -65,15 +65,14 @@ let rec list_nth_mut
begin match l with
| CList_CCons x tl ->
if i = 0
- then
- let back = fun ret -> Return (CList_CCons ret tl) in Return (x, back)
+ then let back = fun ret -> Ok (CList_CCons ret tl) in Ok (x, back)
else
let* i1 = u32_sub i 1 in
let* (x1, list_nth_mut_back) = list_nth_mut t n1 tl i1 in
let back =
- fun ret ->
- let* tl1 = list_nth_mut_back ret in Return (CList_CCons x tl1) in
- Return (x1, back)
+ fun ret -> let* tl1 = list_nth_mut_back ret in Ok (CList_CCons x tl1)
+ in
+ Ok (x1, back)
| CList_CNil -> Fail Failure
end
@@ -90,14 +89,12 @@ let rec list_nth_mut1_loop
begin match l with
| CList_CCons x tl ->
if i = 0
- then
- let back = fun ret -> Return (CList_CCons ret tl) in Return (x, back)
+ then let back = fun ret -> Ok (CList_CCons ret tl) in Ok (x, back)
else
let* i1 = u32_sub i 1 in
let* (x1, back) = list_nth_mut1_loop t n1 tl i1 in
- let back1 =
- fun ret -> let* tl1 = back ret in Return (CList_CCons x tl1) in
- Return (x1, back1)
+ let back1 = fun ret -> let* tl1 = back ret in Ok (CList_CCons x tl1) in
+ Ok (x1, back1)
| CList_CNil -> Fail Failure
end
@@ -117,7 +114,7 @@ let rec i32_id (n : nat) (i : i32) : result i32 =
else
let n1 = decrease n in
if i = 0
- then Return 0
+ then Ok 0
else let* i1 = i32_sub i 1 in let* i2 = i32_id n1 i1 in i32_add i2 1
(** [demo::list_tail]:
@@ -134,10 +131,9 @@ let rec list_tail
| CList_CCons x tl ->
let* (c, list_tail_back) = list_tail t n1 tl in
let back =
- fun ret -> let* tl1 = list_tail_back ret in Return (CList_CCons x tl1)
- in
- Return (c, back)
- | CList_CNil -> Return (CList_CNil, Return)
+ fun ret -> let* tl1 = list_tail_back ret in Ok (CList_CCons x tl1) in
+ Ok (c, back)
+ | CList_CNil -> Ok (CList_CNil, Ok)
end
(** Trait declaration: [demo::Counter]
@@ -147,7 +143,7 @@ noeq type counter_t (self : Type0) = { incr : self -> result (usize & self); }
(** [demo::{(demo::Counter for usize)}::incr]:
Source: 'src/demo.rs', lines 102:4-102:31 *)
let counterUsize_incr (self : usize) : result (usize & usize) =
- let* self1 = usize_add self 1 in Return (self, self1)
+ let* self1 = usize_add self 1 in Ok (self, self1)
(** Trait implementation: [demo::{(demo::Counter for usize)}]
Source: 'src/demo.rs', lines 101:0-101:22 *)
diff --git a/tests/fstar/demo/Primitives.fst b/tests/fstar/demo/Primitives.fst
index fca80829..acdb09dc 100644
--- a/tests/fstar/demo/Primitives.fst
+++ b/tests/fstar/demo/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) :
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 03:01:12 +0000