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1 | // Copyright 2012 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | trait vec_monad<A> { | |
1a4d82fc | 12 | fn bind<B, F>(&self, f: F) where F: FnMut(A) -> Vec<B>; |
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13 | } |
14 | ||
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15 | impl<A> vec_monad<A> for Vec<A> { |
16 | fn bind<B, F>(&self, mut f: F) where F: FnMut(A) -> Vec<B> { | |
17 | let mut r = panic!(); | |
85aaf69f | 18 | for elt in self { r = r + f(*elt); } |
c34b1796 | 19 | //~^ ERROR E0277 |
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20 | } |
21 | } | |
22 | fn main() { | |
85aaf69f | 23 | ["hi"].bind(|x| [x] ); |
54a0048b | 24 | //~^ ERROR no method named `bind` found for type `[&'static str; 1]` in the current scope |
223e47cc | 25 | } |