rust/src/test/ui/issues/issue-27697.rs

22 lines
323 B
Rust

// check-pass
use std::ops::Deref;
trait MyTrait {
fn do_something(&self);
fn as_str(&self) -> &str;
}
impl Deref for dyn MyTrait {
type Target = str;
fn deref(&self) -> &Self::Target {
self.as_str()
}
}
fn trait_object_does_something(t: &dyn MyTrait) {
t.do_something()
}
fn main() {}