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cduce
cduce
Commits
6fa02ae1
Commit
6fa02ae1
authored
Jul 10, 2007
by
Pietro Abate
Browse files
[r2003-07-29 09:48:11 by cvscast] Typo
Original author: cvscast Date: 2003-07-29 09:48:11+00:00
parent
0288f274
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1
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web/examples/reference.cd
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6fa02ae1
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@@ -8,22 +8,13 @@ let stack = ref [Int*] []
(* (assignment), "!" (dereferencing), ";" (sequencing) *)
let fun push(x : Int) : [] =
stack := [x
, !
!stack]
stack := [x
;
!stack]
let fun pop ([] : []) : Int =
match !stack with [x
;y] -> stack := y; x | _ -> raise "Empty stack"
match !stack with [x;
y] -> stack := y; x | _ -> raise "Empty stack"
(* In [ pattern ;y] the variable y captures the rest of the *)
(* sequence. It is equivalent to [pattern y::_*] *)
(* *)
(* Since sequences are encoded by pairs, we could write *)
(* the following [deprecated] equivalent definitions *)
(*
let fun push(x : Int) : [] =
stack := (x, !stack)
let fun pop ([] : []) : Int =
match !stack with (x, y) -> stack := y; x | _ -> raise "Empty stack"
*)
;;
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