diff options
Diffstat (limited to 'tests/ui/unsized-locals/by-value-trait-object-safety.rs')
-rw-r--r-- | tests/ui/unsized-locals/by-value-trait-object-safety.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/unsized-locals/by-value-trait-object-safety.rs b/tests/ui/unsized-locals/by-value-trait-object-safety.rs new file mode 100644 index 000000000..d0ba6944a --- /dev/null +++ b/tests/ui/unsized-locals/by-value-trait-object-safety.rs @@ -0,0 +1,22 @@ +#![feature(unsized_locals)] +//~^ WARN the feature `unsized_locals` is incomplete + +pub trait Foo { + fn foo(self) -> String + where + Self: Sized; +} + +struct A; + +impl Foo for A { + fn foo(self) -> String { + format!("hello") + } +} + +fn main() { + let x = *(Box::new(A) as Box<dyn Foo>); + x.foo(); + //~^ERROR the `foo` method cannot be invoked on a trait object +} |