tests/ui/traits/suggest-deferences/issue-39029.rs

   1 // run-rustfix
   2 use std::net::TcpListener;
   3
   4 struct NoToSocketAddrs(String);
   5
   6 impl std::ops::Deref for NoToSocketAddrs {
   7     type Target = String;
   8     fn deref(&self) -> &Self::Target {
   9         &self.0
  10     }
  11 }
  12
  13 fn main() {
  14     let _works = TcpListener::bind("some string");
  15     let bad = NoToSocketAddrs("bad".to_owned());
  16     let _errors = TcpListener::bind(&bad);
  17     //~^ ERROR the trait bound `NoToSocketAddrs: ToSocketAddrs` is not satisfied
  18 }