| //@ 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 { fn foo() {} } |
| 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() { } |
