2012-07-11 17:00:40 -05:00
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trait vec_monad<A> {
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fn bind<B>(f: fn(A) -> ~[B]);
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}
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2012-08-07 20:10:06 -05:00
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impl<A> ~[A]: vec_monad<A> {
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2012-06-29 18:26:56 -05:00
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fn bind<B>(f: fn(A) -> ~[B]) {
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2012-04-07 19:11:33 -05:00
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let mut r = fail;
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2012-09-19 18:55:01 -05:00
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for self.each |elt| { r += f(*elt); }
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2012-06-30 06:23:59 -05:00
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//~^ WARNING unreachable expression
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//~^^ ERROR the type of this value must be known
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2012-04-07 19:11:33 -05:00
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}
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}
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fn main() {
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2012-11-16 21:22:48 -06:00
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["hi"].bind({|x| [x] }); //~ ERROR attempted access of field `bind`
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2012-07-11 17:00:40 -05:00
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}
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