diff options
Diffstat (limited to 'src/test/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple.rs')
-rw-r--r-- | src/test/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple.rs b/src/test/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple.rs new file mode 100644 index 000000000..7d851b528 --- /dev/null +++ b/src/test/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple.rs @@ -0,0 +1,20 @@ +// 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 { fn foo() {} } + +impl<T: lib::MyCopy> MyTrait for T { } + +// Tuples are not fundamental. +impl MyTrait for lib::MyFundamentalStruct<(MyType,)> { } +//~^ ERROR E0119 + + +fn main() { } |