rust/src/test/run-pass/cast-mutable-trait.rs
Alex Crichton 30862a64c2 Fix run-pass tests to have 'pub fn main'
This is required by the check-fast target because each test is slurped up into a
submodule.
2013-09-25 00:43:37 -07:00

35 lines
744 B
Rust

// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
trait T {
fn foo(@mut self);
}
struct S {
unused: int
}
impl T for S {
fn foo(@mut self) {
}
}
fn bar(t: @mut T) {
t.foo();
}
pub fn main() {
let s = @mut S { unused: 0 };
let s2 = s as @mut T;
s2.foo();
bar(s2);
bar(s as @mut T);
}