about summary refs log tree commit diff
path: root/tests/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple.rs
blob: 2f45ed4320081dfa784efd71f2e15cc9683dfda2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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() { }