Created
July 13, 2013 00:38
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| use std::io; | |
| enum List { | |
| Cons(uint,~List), | |
| Nil() | |
| } | |
| fn cons(x : uint, l : ~List) -> ~List{ | |
| return ~Cons(x,l); | |
| } | |
| fn printl(mut l : &~List) { | |
| io::print("("); | |
| loop { | |
| match l { | |
| &~Cons(x, ref next) => { | |
| l = next; | |
| io::print(fmt!("%u ",x)) | |
| } | |
| &~Nil() => break | |
| } | |
| } | |
| io::print(")"); | |
| } | |
| fn main() { | |
| printl(&cons(1,cons(2,cons(3,~Nil)))); | |
| } |
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