#![feature(negative_impls)] use std::marker::Copy; enum TestE { A } struct MyType; struct NotSync; impl !Sync for NotSync {} impl Sized for TestE {} //~^ ERROR E0322 impl Sized for MyType {} //~^ ERROR E0322 impl Sized for (MyType, MyType) {} //~^ ERROR E0322 //~| ERROR E0117 impl Sized for &'static NotSync {} //~^ ERROR E0322 impl Sized for [MyType] {} //~^ ERROR E0322 //~| ERROR E0117 impl Sized for &'static [NotSync] {} //~^ ERROR E0322 //~| ERROR E0117 fn main() { }