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-(** THIS FILE WAS AUTOMATICALLY GENERATED BY AENEAS *)
-(** [demo] *)
-module Demo
-open Primitives
-
-#set-options "--z3rlimit 50 --fuel 1 --ifuel 1"
-
-(** [demo::choose]: forward function
- Source: 'src/demo.rs', lines 5:0-5:70 *)
-let choose (t : Type0) (b : bool) (x : t) (y : t) : result t =
- if b then Return x else Return y
-
-(** [demo::choose]: backward function 0
- Source: 'src/demo.rs', lines 5:0-5:70 *)
-let choose_back
- (t : Type0) (b : bool) (x : t) (y : t) (ret : t) : result (t & t) =
- if b then Return (ret, y) else Return (x, ret)
-
-(** [demo::mul2_add1]: forward function
- Source: 'src/demo.rs', lines 13:0-13:31 *)
-let mul2_add1 (x : u32) : result u32 =
- let* i = u32_add x x in u32_add i 1
-
-(** [demo::use_mul2_add1]: forward function
- Source: 'src/demo.rs', lines 17:0-17:43 *)
-let use_mul2_add1 (x : u32) (y : u32) : result u32 =
- let* i = mul2_add1 x in u32_add i y
-
-(** [demo::incr]: merged forward/backward function
- (there is a single backward function, and the forward function returns ())
- Source: 'src/demo.rs', lines 21:0-21:31 *)
-let incr (x : u32) : result u32 =
- u32_add x 1
-
-(** [demo::CList]
- Source: 'src/demo.rs', lines 27:0-27:17 *)
-type cList_t (t : Type0) =
-| CList_CCons : t -> cList_t t -> cList_t t
-| CList_CNil : cList_t t
-
-(** [demo::list_nth]: forward function
- Source: 'src/demo.rs', lines 32:0-32:56 *)
-let rec list_nth (t : Type0) (n : nat) (l : cList_t t) (i : u32) : result t =
- if is_zero n
- then Fail OutOfFuel
- else
- 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
- | CList_CNil -> Fail Failure
- end
-
-(** [demo::list_nth_mut]: forward function
- Source: 'src/demo.rs', lines 47:0-47:68 *)
-let rec list_nth_mut
- (t : Type0) (n : nat) (l : cList_t t) (i : u32) : result t =
- if is_zero n
- then Fail OutOfFuel
- else
- 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_mut t n1 tl i1
- | CList_CNil -> Fail Failure
- end
-
-(** [demo::list_nth_mut]: backward function 0
- Source: 'src/demo.rs', lines 47:0-47:68 *)
-let rec list_nth_mut_back
- (t : Type0) (n : nat) (l : cList_t t) (i : u32) (ret : t) :
- result (cList_t t)
- =
- if is_zero n
- then Fail OutOfFuel
- else
- let n1 = decrease n in
- begin match l with
- | CList_CCons x tl ->
- if i = 0
- then Return (CList_CCons ret tl)
- else
- let* i1 = u32_sub i 1 in
- let* tl1 = list_nth_mut_back t n1 tl i1 ret in
- Return (CList_CCons x tl1)
- | CList_CNil -> Fail Failure
- end
-
-(** [demo::list_nth_mut1]: loop 0: forward function
- Source: 'src/demo.rs', lines 62:0-71:1 *)
-let rec list_nth_mut1_loop
- (t : Type0) (n : nat) (l : cList_t t) (i : u32) : result t =
- if is_zero n
- then Fail OutOfFuel
- else
- 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_mut1_loop t n1 tl i1
- | CList_CNil -> Fail Failure
- end
-
-(** [demo::list_nth_mut1]: forward function
- Source: 'src/demo.rs', lines 62:0-62:77 *)
-let list_nth_mut1 (t : Type0) (n : nat) (l : cList_t t) (i : u32) : result t =
- list_nth_mut1_loop t n l i
-
-(** [demo::list_nth_mut1]: loop 0: backward function 0
- Source: 'src/demo.rs', lines 62:0-71:1 *)
-let rec list_nth_mut1_loop_back
- (t : Type0) (n : nat) (l : cList_t t) (i : u32) (ret : t) :
- result (cList_t t)
- =
- if is_zero n
- then Fail OutOfFuel
- else
- let n1 = decrease n in
- begin match l with
- | CList_CCons x tl ->
- if i = 0
- then Return (CList_CCons ret tl)
- else
- let* i1 = u32_sub i 1 in
- let* tl1 = list_nth_mut1_loop_back t n1 tl i1 ret in
- Return (CList_CCons x tl1)
- | CList_CNil -> Fail Failure
- end
-
-(** [demo::list_nth_mut1]: backward function 0
- Source: 'src/demo.rs', lines 62:0-62:77 *)
-let list_nth_mut1_back
- (t : Type0) (n : nat) (l : cList_t t) (i : u32) (ret : t) :
- result (cList_t t)
- =
- list_nth_mut1_loop_back t n l i ret
-
-(** [demo::i32_id]: forward function
- Source: 'src/demo.rs', lines 73:0-73:28 *)
-let rec i32_id (n : nat) (i : i32) : result i32 =
- if is_zero n
- then Fail OutOfFuel
- else
- let n1 = decrease n in
- if i = 0
- then Return 0
- else let* i1 = i32_sub i 1 in let* i2 = i32_id n1 i1 in i32_add i2 1
-
-(** Trait declaration: [demo::Counter]
- Source: 'src/demo.rs', lines 83:0-83:17 *)
-noeq type counter_t (self : Type0) = {
- incr : self -> result usize;
- incr_back : self -> result self;
-}
-
-(** [demo::{usize}::incr]: forward function
- Source: 'src/demo.rs', lines 88:4-88:31 *)
-let usize_incr (self : usize) : result usize =
- let* _ = usize_add self 1 in Return self
-
-(** [demo::{usize}::incr]: backward function 0
- Source: 'src/demo.rs', lines 88:4-88:31 *)
-let usize_incr_back (self : usize) : result usize =
- usize_add self 1
-
-(** Trait implementation: [demo::{usize}]
- Source: 'src/demo.rs', lines 87:0-87:22 *)
-let demo_CounterUsizeInst : counter_t usize = {
- incr = usize_incr;
- incr_back = usize_incr_back;
-}
-
-(** [demo::use_counter]: forward function
- Source: 'src/demo.rs', lines 95:0-95:59 *)
-let use_counter
- (t : Type0) (counterTInst : counter_t t) (cnt : t) : result usize =
- counterTInst.incr cnt
-
-(** [demo::use_counter]: backward function 0
- Source: 'src/demo.rs', lines 95:0-95:59 *)
-let use_counter_back
- (t : Type0) (counterTInst : counter_t t) (cnt : t) : result t =
- counterTInst.incr_back cnt
-