2012-07-11 17:00:40 -05:00
|
|
|
trait vec_monad<A> {
|
|
|
|
fn bind<B>(f: fn(A) -> ~[B]);
|
|
|
|
}
|
|
|
|
|
2012-08-07 20:10:06 -05:00
|
|
|
impl<A> ~[A]: vec_monad<A> {
|
2012-06-29 18:26:56 -05:00
|
|
|
fn bind<B>(f: fn(A) -> ~[B]) {
|
2012-04-07 19:11:33 -05:00
|
|
|
let mut r = fail;
|
2012-09-19 18:55:01 -05:00
|
|
|
for self.each |elt| { r += f(*elt); }
|
2012-06-30 06:23:59 -05:00
|
|
|
//~^ WARNING unreachable expression
|
|
|
|
//~^^ ERROR the type of this value must be known
|
2012-04-07 19:11:33 -05:00
|
|
|
}
|
|
|
|
}
|
|
|
|
fn main() {
|
2012-12-01 17:59:04 -06:00
|
|
|
["hi"].bind({|x| [x] }); //~ ERROR type `[&static/str]/1` does not implement any method in scope named `bind`
|
2012-07-11 17:00:40 -05:00
|
|
|
}
|