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trait VecMonad<A> {
fn bind<B, F>(&self, f: F) where F: FnMut(A) -> Vec<B>;
}
impl<A> VecMonad<A> for Vec<A> {
fn bind<B, F>(&self, mut f: F) where F: FnMut(A) -> Vec<B> {
let mut r = panic!();
for elt in self { r = r + f(*elt); }
//~^ ERROR E0277
}
}
fn main() {
["hi"].bind(|x| [x] );
//~^ ERROR no method named `bind` found
}
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