26 lines
892 B
Rust
26 lines
892 B
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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trait vec_monad<A> {
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fn bind<B, F>(&self, f: F) where F: FnMut(A) -> Vec<B>;
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}
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impl<A> vec_monad<A> for Vec<A> {
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fn bind<B, F>(&self, mut f: F) where F: FnMut(A) -> Vec<B> {
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let mut r = panic!();
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for elt in self { r = r + f(*elt); }
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//~^ ERROR E0277
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}
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}
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fn main() {
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["hi"].bind(|x| [x] );
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//~^ ERROR no method named `bind` found for type `[&'static str; 1]` in the current scope
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}
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