// run-pass #![allow(dead_code)] // 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 { } impl MyTrait for T { } impl MyTrait for MyType { } impl<'a> MyTrait for &'a MyType { } impl MyTrait for Box { } impl<'a> MyTrait for &'a Box { } fn main() { }