mirror of https://github.com/rust-lang/rust
21 lines
436 B
Rust
21 lines
436 B
Rust
// Test that we are able to introduce a negative constraint that
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// `MyType: !MyTrait` along with other "fundamental" wrappers.
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//@ aux-build:coherence_copy_like_lib.rs
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extern crate coherence_copy_like_lib as lib;
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struct MyType { x: i32 }
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trait MyTrait { fn foo() {} }
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impl<T: lib::MyCopy> MyTrait for T { }
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// Tuples are not fundamental.
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impl MyTrait for lib::MyFundamentalStruct<(MyType,)> { }
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//~^ ERROR E0119
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fn main() { }
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