diff options
Diffstat (limited to 'tests/ui/coherence/coherence_copy_like_err_fundamental_struct.rs')
-rw-r--r-- | tests/ui/coherence/coherence_copy_like_err_fundamental_struct.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/coherence/coherence_copy_like_err_fundamental_struct.rs b/tests/ui/coherence/coherence_copy_like_err_fundamental_struct.rs new file mode 100644 index 000000000..edee6cd7b --- /dev/null +++ b/tests/ui/coherence/coherence_copy_like_err_fundamental_struct.rs @@ -0,0 +1,24 @@ +// 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 +// build-pass (FIXME(62277): could be check-pass?) +// skip-codgen +#![allow(dead_code)] + +extern crate coherence_copy_like_lib as lib; + +struct MyType { x: i32 } + +trait MyTrait { fn foo() {} } +impl<T: lib::MyCopy> MyTrait for T { } + +// `MyFundamentalStruct` is declared fundamental, so we can test that +// +// MyFundamentalStruct<MyTrait>: !MyTrait +// +// Huzzah. +impl MyTrait for lib::MyFundamentalStruct<MyType> { } + + +fn main() { } |