rust/src/test/run-pass/coherence_copy_like.rs
2015-04-02 13:25:06 -04:00

28 lines
919 B
Rust

// Copyright 2015 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 that we are able to introduce a negative constraint that
// `MyType: !MyTrait` along with other "fundamental" wrappers.
// aux-build:coherence_copy_like_lib.rs
extern crate coherence_copy_like_lib as lib;
struct MyType { x: i32 }
trait MyTrait { }
impl<T: lib::MyCopy> MyTrait for T { }
impl MyTrait for MyType { }
impl<'a> MyTrait for &'a MyType { }
impl MyTrait for Box<MyType> { }
impl<'a> MyTrait for &'a Box<MyType> { }
fn main() { }