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.
18 impl fmt::Show for Thingy {
19 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
20 write!(f, "{{ x: {}, y: {} }}", self.x, self.y)
24 struct PolymorphicThingy<T> {
28 impl<T:fmt::Show> fmt::Show for PolymorphicThingy<T> {
29 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
30 write!(f, "{}", self.x)
35 println!("{}", Thingy { x: 1, y: 2 }.to_string());
36 println!("{}", PolymorphicThingy { x: Thingy { x: 1, y: 2 } }.to_string());