src/test/ui/issues/issue-26205.rs

   1 // check-pass
   2 #![allow(dead_code)]
   3 use std::ops::{Deref, DerefMut};
   4
   5 struct Foo;
   6
   7 impl Foo {
   8     fn foo_mut(&mut self) {}
   9 }
  10
  11 struct Bar(Foo);
  12
  13 impl Deref for Bar {
  14     type Target = Foo;
  15
  16     fn deref(&self) -> &Foo {
  17         &self.0
  18     }
  19 }
  20
  21 impl DerefMut for Bar {
  22     fn deref_mut(&mut self) -> &mut Foo {
  23         &mut self.0
  24     }
  25 }
  26
  27 fn test(mut bar: Box<Bar>) {
  28     bar.foo_mut();
  29 }
  30
  31 fn main() {}