diff options
Diffstat (limited to 'tests/ui/unsized/param-mentioned-by-different-field.rs')
-rw-r--r-- | tests/ui/unsized/param-mentioned-by-different-field.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/unsized/param-mentioned-by-different-field.rs b/tests/ui/unsized/param-mentioned-by-different-field.rs new file mode 100644 index 000000000..cda94b306 --- /dev/null +++ b/tests/ui/unsized/param-mentioned-by-different-field.rs @@ -0,0 +1,10 @@ +// We must not allow this with our current setup as `T` +// is mentioned both in the tail of `Foo` and by another +// field. +struct Foo<T: ?Sized>(Box<T>, T); + +fn main() { + let x: Foo<[u8; 1]> = Foo(Box::new([2]), [3]); + let y: &Foo<[u8]> = &x; //~ ERROR mismatched types + assert_eq!(y.0.len(), 1); +} |