| // Copyright 2012 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. |
| |
| |
| struct X { |
| repr: isize |
| } |
| |
| fn apply<T, F>(x: T, f: F) where F: FnOnce(T) { |
| f(x); |
| } |
| |
| fn check_int(x: isize) { |
| assert_eq!(x, 22); |
| } |
| |
| fn check_struct(x: X) { |
| check_int(x.repr); |
| } |
| |
| pub fn main() { |
| apply(22, check_int); |
| apply(X {repr: 22}, check_struct); |
| } |