diff options
Diffstat (limited to 'src/test/ui/union/union-derive.rs')
-rw-r--r-- | src/test/ui/union/union-derive.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/union/union-derive.rs b/src/test/ui/union/union-derive.rs new file mode 100644 index 000000000..652a6b24c --- /dev/null +++ b/src/test/ui/union/union-derive.rs @@ -0,0 +1,16 @@ +// Most traits cannot be derived for unions. + +#[derive( + PartialEq, //~ ERROR this trait cannot be derived for unions + PartialOrd, //~ ERROR this trait cannot be derived for unions + Ord, //~ ERROR this trait cannot be derived for unions + Hash, //~ ERROR this trait cannot be derived for unions + Default, //~ ERROR this trait cannot be derived for unions + Debug, //~ ERROR this trait cannot be derived for unions +)] +union U { + a: u8, + b: u16, +} + +fn main() {} |