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Diffstat (limited to 'tests/ui/traits/negative-bounds/simple.rs')
-rw-r--r-- | tests/ui/traits/negative-bounds/simple.rs | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tests/ui/traits/negative-bounds/simple.rs b/tests/ui/traits/negative-bounds/simple.rs new file mode 100644 index 00000000000..f6d1d5169c4 --- /dev/null +++ b/tests/ui/traits/negative-bounds/simple.rs @@ -0,0 +1,42 @@ +#![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() {} |