32 lines
989 B
Rust
32 lines
989 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.
|
|
|
|
// aux-build:coherence_copy_like_lib.rs
|
|
|
|
// Test that we are able to introduce a negative constraint that
|
|
// `MyType: !MyTrait` along with other "fundamental" wrappers.
|
|
|
|
extern crate coherence_copy_like_lib as lib;
|
|
|
|
struct MyType { x: i32 }
|
|
|
|
trait MyTrait { }
|
|
impl<T: lib::MyCopy> MyTrait for T { }
|
|
|
|
// `MyStruct` is not declared fundamental, therefore this would
|
|
// require that
|
|
//
|
|
// MyStruct<MyType>: !MyTrait
|
|
//
|
|
// which we cannot approve.
|
|
impl MyTrait for lib::MyStruct<MyType> { } //~ ERROR E0119
|
|
|
|
fn main() { }
|