1 // Copyright 2012-2014 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 fn example_err(prog: &str, arg: &str) {
12 println!("{}: {}", prog, arg)
15 fn exit<F>(print: F, prog: &str, arg: &str) where F: FnOnce(&str, &str) {
19 struct X<F> where F: FnOnce(&str, &str) {
23 impl<F> X<F> where F: FnOnce(&str, &str) {
25 exit(self.err, "prog", "arg");