src/test/ui/issues/issue-41053.rs

   1 // run-pass
   2 // aux-build:issue-41053.rs
   3
   4 pub trait Trait { fn foo(&self) {} }
   5
   6 pub struct Foo;
   7
   8 impl Iterator for Foo {
   9     type Item = Box<dyn Trait>;
  10     fn next(&mut self) -> Option<Box<dyn Trait>> {
  11         extern crate issue_41053;
  12         impl ::Trait for issue_41053::Test {
  13             fn foo(&self) {}
  14         }
  15         Some(Box::new(issue_41053::Test))
  16     }
  17 }
  18
  19 fn main() {
  20     Foo.next().unwrap().foo();
  21 }