diff options
Diffstat (limited to 'tests/ui/auto-traits/suspicious-negative-impls-lint.rs')
-rw-r--r-- | tests/ui/auto-traits/suspicious-negative-impls-lint.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/auto-traits/suspicious-negative-impls-lint.rs b/tests/ui/auto-traits/suspicious-negative-impls-lint.rs new file mode 100644 index 000000000..34842e594 --- /dev/null +++ b/tests/ui/auto-traits/suspicious-negative-impls-lint.rs @@ -0,0 +1,21 @@ +#![feature(negative_impls)] +#![deny(suspicious_auto_trait_impls)] + +use std::marker::PhantomData; + +struct ContainsVec<T>(Vec<T>); +impl !Send for ContainsVec<u32> {} +//~^ ERROR +//~| WARNING this will change its meaning + +pub struct WithPhantomDataSend<T, U>(PhantomData<T>, U); +impl<T> !Send for WithPhantomDataSend<*const T, u8> {} +//~^ ERROR +//~| WARNING this will change its meaning + +pub struct WithLifetime<'a, T>(&'a (), T); +impl<T> !Sync for WithLifetime<'static, Option<T>> {} +//~^ ERROR +//~| WARNING this will change its meaning + +fn main() {} |