// Copyright 2012-2014 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // ignore-test type ErrPrinter = |&str, &str|; fn example_err(prog: &str, arg: &str) { println!("{}: {}", prog, arg) } fn exit(+print: ErrPrinter, prog: &str, arg: &str) { print(prog, arg); } struct X { err: ErrPrinter } impl X { pub fn boom() { exit(self.err, "prog", "arg"); } } pub fn main(){ let val = &X{ err: example_err, }; val.boom(); }