rust/tests/ui/traits/impl-method-mismatch.rs

16 lines
381 B
Rust

//@ dont-require-annotations: NOTE
trait Mumbo {
fn jumbo(&self, x: &usize) -> usize;
}
impl Mumbo for usize {
// Cannot have a larger effect than the trait:
unsafe fn jumbo(&self, x: &usize) { *self + *x; }
//~^ ERROR method `jumbo` has an incompatible type for trait
//~| NOTE expected signature `fn
//~| NOTE found signature `unsafe fn
}
fn main() {}