File: auto-traits.rs

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//@ check-pass

#![feature(auto_traits)]
#![feature(negative_impls)]
#![feature(never_type)]

fn main() {
    enum Void {}

    auto trait Auto {}
    fn assert_auto<T: Auto>() {}
    assert_auto::<Void>();
    assert_auto::<!>();

    fn assert_send<T: Send>() {}
    assert_send::<Void>();
    assert_send::<!>();
}