rust/tests/ui/traits/negative-bounds/simple.rs

#![feature(negative_bounds, negative_impls)]
//~^ WARN the feature `negative_bounds` is incomplete and may not be safe to use and/or cause compiler crashes

fn not_copy<T: !Copy>() {}

fn neg_param_env<T: !Copy>() {
    not_copy::<T>();
}

fn pos_param_env<T: Copy>() {
    not_copy::<T>();
    //~^ ERROR the trait bound `T: !Copy` is not satisfied
}

fn unknown<T>() {
    not_copy::<T>();
    //~^ ERROR the trait bound `T: !Copy` is not satisfied
}

struct NotCopyable;
impl !Copy for NotCopyable {}

fn neg_impl() {
    not_copy::<NotCopyable>();
}

#[derive(Copy, Clone)]
struct Copyable;

fn pos_impl() {
    not_copy::<Copyable>();
    //~^ ERROR the trait bound `Copyable: !Copy` is not satisfied
}

struct NotNecessarilyCopyable;

fn unknown_impl() {
    not_copy::<NotNecessarilyCopyable>();
    //~^ ERROR the trait bound `NotNecessarilyCopyable: !Copy` is not satisfied
}

fn main() {}