| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| pub trait Handler { |
| fn handle(&self, _: &mut String); |
| } |
| |
| impl<F> Handler for F where F: for<'a, 'b> Fn(&'a mut String) { |
| fn handle(&self, st: &mut String) { |
| self(st) |
| } |
| } |
| |
| fn main() {} |
