43 lines
899 B
Rust
43 lines
899 B
Rust
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#![feature(negative_bounds, negative_impls)]
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//~^ WARN the feature `negative_bounds` is incomplete and may not be safe to use and/or cause compiler crashes
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fn not_copy<T: !Copy>() {}
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fn neg_param_env<T: !Copy>() {
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not_copy::<T>();
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}
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fn pos_param_env<T: Copy>() {
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not_copy::<T>();
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//~^ ERROR the trait bound `T: !Copy` is not satisfied
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}
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fn unknown<T>() {
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not_copy::<T>();
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//~^ ERROR the trait bound `T: !Copy` is not satisfied
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}
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struct NotCopyable;
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impl !Copy for NotCopyable {}
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fn neg_impl() {
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not_copy::<NotCopyable>();
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}
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#[derive(Copy, Clone)]
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struct Copyable;
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fn pos_impl() {
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not_copy::<Copyable>();
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//~^ ERROR the trait bound `Copyable: !Copy` is not satisfied
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}
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struct NotNecessarilyCopyable;
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fn unknown_impl() {
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not_copy::<NotNecessarilyCopyable>();
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//~^ ERROR the trait bound `NotNecessarilyCopyable: !Copy` is not satisfied
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}
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fn main() {}
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