coherence-impls-send.rs

#![feature(negative_impls)]

use std::marker::Copy;

enum TestE {
    A,
}

struct MyType;

struct NotSync;
impl !Sync for NotSync {}

unsafe impl Send for TestE {}
unsafe impl Send for MyType {}
unsafe impl Send for (MyType, MyType) {}
//~^ ERROR E0117

unsafe impl Send for &'static NotSync {}
//~^ ERROR E0321

unsafe impl Send for [MyType] {}
//~^ ERROR E0117

unsafe impl Send for &'static [NotSync] {}
//~^ ERROR only traits defined in the current crate

fn main() {}