// Copyright 2015 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(optin_builtin_traits)] use std::marker::Copy; impl Copy for i32 {} //~^ ERROR conflicting implementations of trait `std::marker::Copy` for type `i32`: //~| ERROR only traits defined in the current crate can be implemented for arbitrary types enum TestE { A } struct MyType; struct NotSync; impl !Sync for NotSync {} impl Copy for TestE {} impl Clone for TestE { fn clone(&self) -> Self { *self } } impl Copy for MyType {} impl Copy for &'static mut MyType {} //~^ ERROR the trait `Copy` may not be implemented for this type impl Clone for MyType { fn clone(&self) -> Self { *self } } impl Copy for (MyType, MyType) {} //~^ ERROR the trait `Copy` may not be implemented for this type //~| ERROR only traits defined in the current crate can be implemented for arbitrary types impl Copy for &'static NotSync {} //~^ ERROR conflicting implementations of trait `std::marker::Copy` for type `&NotSync`: impl Copy for [MyType] {} //~^ ERROR the trait `Copy` may not be implemented for this type //~| ERROR only traits defined in the current crate can be implemented for arbitrary types impl Copy for &'static [NotSync] {} //~^ ERROR conflicting implementations of trait `std::marker::Copy` for type `&[NotSync]`: //~| ERROR only traits defined in the current crate can be implemented for arbitrary types fn main() { }