src/test/compile-fail/builtin-superkinds-self-type.rs

   1 // Copyright 2013 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 // Tests (negatively) the ability for the Self type in default methods
  12 // to use capabilities granted by builtin kinds as supertraits.
  13
  14 use std::sync::mpsc::{channel, Sender};
  15
  16 trait Foo : Sized+Sync+'static {
  17     fn foo(self, mut chan: Sender<Self>) { }
  18 }
  19
  20 impl <T: Sync> Foo for T { }
  21 //~^ ERROR the parameter type `T` may not live long enough
  22
  23 fn main() {
  24     let (tx, rx) = channel();
  25     1193182.foo(tx);
  26     assert_eq!(rx.recv(), 1193182);
  27 }