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// check-pass
#![allow(dead_code)]
use std::ops::{Deref, DerefMut};
struct Foo;
impl Foo {
fn foo_mut(&mut self) {}
}
struct Bar(Foo);
impl Deref for Bar {
type Target = Foo;
fn deref(&self) -> &Foo {
&self.0
}
}
impl DerefMut for Bar {
fn deref_mut(&mut self) -> &mut Foo {
&mut self.0
}
}
fn test(mut bar: Box<Bar>) {
bar.foo_mut();
}
fn main() {}
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