src/test/run-pass/issue-14589.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 // All 3 expressions should work in that the argument gets
  12 // coerced to a trait object
  13
  14 // pretty-expanded FIXME #23616
  15
  16 fn main() {
  17     send::<Box<Foo>>(Box::new(Output(0)));
  18     Test::<Box<Foo>>::foo(Box::new(Output(0)));
  19     Test::<Box<Foo>>::new().send(Box::new(Output(0)));
  20 }
  21
  22 fn send<T>(_: T) {}
  23
  24 struct Test<T> { marker: std::marker::PhantomData<T> }
  25 impl<T> Test<T> {
  26     fn new() -> Test<T> { Test { marker: ::std::marker::PhantomData } }
  27     fn foo(_: T) {}
  28     fn send(&self, _: T) {}
  29 }
  30
  31 trait Foo { fn dummy(&self) { }}
  32 struct Output(isize);
  33 impl Foo for Output {}