rust/tests/ui/coherence/coherence_local_err_tuple.rs
2023-01-11 09:32:08 +00:00

19 lines
455 B
Rust

// 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
#![allow(dead_code)]
extern crate coherence_copy_like_lib as lib;
struct MyType { x: i32 }
// These are all legal because they are all fundamental types:
// Tuples are not fundamental, so this is not a local impl.
impl lib::MyCopy for (MyType,) { }
//~^ ERROR E0117
fn main() { }