50 lines
1019 B
Rust
50 lines
1019 B
Rust
// Copyright 2014 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.
|
|
|
|
// Test calling methods on an impl for a bare trait.
|
|
|
|
// aux-build:traitimpl.rs
|
|
extern crate traitimpl;
|
|
use traitimpl::Bar;
|
|
|
|
static mut COUNT: uint = 1;
|
|
|
|
trait T {
|
|
fn t(&self) {}
|
|
}
|
|
|
|
impl<'a> T+'a {
|
|
fn foo(&self) {
|
|
unsafe { COUNT *= 2; }
|
|
}
|
|
fn bar() {
|
|
unsafe { COUNT *= 3; }
|
|
}
|
|
}
|
|
|
|
impl T for int {}
|
|
|
|
struct Foo;
|
|
impl<'a> Bar<'a> for Foo {}
|
|
|
|
fn main() {
|
|
let x: &T = &42;
|
|
|
|
x.foo();
|
|
T::foo(x);
|
|
T::bar();
|
|
|
|
unsafe { assert!(COUNT == 12); }
|
|
|
|
// Cross-crait case
|
|
let x: &Bar = &Foo;
|
|
x.bar();
|
|
}
|