1 // Copyright 2014 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.
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.
11 pub trait OpInt<'a> { fn call<'a>(&'a mut self, int, int) -> int; }
13 impl<'a> OpInt<'a> for |int, int|: 'a -> int {
14 fn call(&mut self, a:int, b:int) -> int {
19 fn squarei<'a>(x: int, op: &'a mut OpInt) -> int { op.call(x, x) }
21 fn muli(x:int, y:int) -> int { x * y }
24 let mut f = |x,y| muli(x,y);
27 let h = g as &mut OpInt;