src/test/run-pass/issue-8783.rs

   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.
   4 //
   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.
  10
  11 use std::default::Default;
  12
  13 struct X { pub x: uint }
  14 impl Default for X {
  15     fn default() -> X {
  16         X { x: 42u }
  17     }
  18 }
  19
  20 struct Y<T> { pub y: T }
  21 impl<T: Default> Default for Y<T> {
  22     fn default() -> Y<T> {
  23         Y { y: Default::default() }
  24     }
  25 }
  26
  27 fn main() {
  28     let X { x: _ } = Default::default();
  29     let Y { y: X { x } } = Default::default();
  30 }