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Diffstat (limited to 'vendor/derivative/tests/derive-clone-generics.rs')
-rw-r--r-- | vendor/derivative/tests/derive-clone-generics.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/vendor/derivative/tests/derive-clone-generics.rs b/vendor/derivative/tests/derive-clone-generics.rs new file mode 100644 index 000000000..96919f9b3 --- /dev/null +++ b/vendor/derivative/tests/derive-clone-generics.rs @@ -0,0 +1,29 @@ +#[cfg(feature = "use_core")] +extern crate core; + +#[macro_use] +extern crate derivative; + +use std::marker::PhantomData; + +struct NoClone; + +#[derive(Derivative)] +#[derivative(Clone, PartialEq)] +struct PhantomField<T> { + foo: PhantomData<T>, +} + +#[derive(Derivative)] +#[derivative(Clone, PartialEq)] +struct PhantomTuple<T> { + foo: PhantomData<(T,)>, +} + +#[test] +fn main() { + let phantom_field = PhantomField::<NoClone> { foo: Default::default() }; + let phantom_tuple = PhantomTuple::<NoClone> { foo: Default::default() }; + assert!(phantom_field == phantom_field.clone()); + assert!(phantom_tuple == phantom_tuple.clone()); +} |