| 1 | val rec ((((((((x)))))))) = fn () => () |
| 2 | |
| 3 | val _ = x () |
| 4 | |
| 5 | local |
| 6 | val 'a rec f = fn () => () |
| 7 | in |
| 8 | end |
| 9 | |
| 10 | local |
| 11 | val x = "Hello, world!\n" |
| 12 | |
| 13 | val x = "BUG\n" |
| 14 | and rec f = fn () => print x |
| 15 | in |
| 16 | val _ = f () |
| 17 | end |
| 18 | |
| 19 | local |
| 20 | val x = "BUG\n" |
| 21 | |
| 22 | val x = "Hello, world!\n" |
| 23 | and rec f = fn y => print y |
| 24 | in |
| 25 | val _ = f x |
| 26 | end |
| 27 | |
| 28 | local |
| 29 | val rec rec f = fn () => () |
| 30 | in |
| 31 | end |
| 32 | |
| 33 | local |
| 34 | val rec f = fn () => () |
| 35 | and rec g = fn () => () |
| 36 | in |
| 37 | end |
| 38 | |
| 39 | (* valrec.sml *) |
| 40 | |
| 41 | (* Checks parsing, scoping, typing and dynamic semantics of "val rec". *) |
| 42 | |
| 43 | fun x x = x |
| 44 | val _ = |
| 45 | case x 1 of |
| 46 | 1 => () |
| 47 | | _ => raise Fail "bug" |
| 48 | |
| 49 | val a = fn x => x |
| 50 | val a = 1 |
| 51 | and rec b = fn x => a(b(c(d(e(f(g x)))))) |
| 52 | and c : 'a -> 'a as d : 'a -> 'a = fn x => x |
| 53 | and rec e as f as g = fn x => x |
| 54 | and h : 'b -> 'b : 'b -> 'b = fn x => x; |