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Text File | 1997-08-18 | 379 b | 20 lines | [TEXT/R*ch] |
- let val r = ref []
- in r := [7]; !r end;
-
- fun Id x = let val r = ref x in !r end;
- fun Id' x = Id Id x;
-
- fun reverse l =
- let val res = ref []
- fun loop [] = !res
- | loop (hd :: tl) = (res:= hd::(!res); loop tl)
- in loop l end;
-
- reverse [1,2,3];
- reverse [true,false];
-
- val f = fn x as ref u => (x := 666; (x, u));
- f (ref 99);
-
- let fun plus x y = x+y in plus 3 5 end;
-