src/test/ui/run-pass/generator/yield-subtype.rs

   1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // run-pass
  12
  13 // revisions:lexical nll
  14 //[nll]compile-flags: -Z disable-nll-user-type-assert
  15 #![cfg_attr(nll, feature(nll))]
  16
  17 #![feature(generators)]
  18
  19 fn bar<'a>() {
  20     let a: &'static str = "hi";
  21     let b: &'a str = a;
  22
  23     || {
  24         yield a;
  25         yield b;
  26     };
  27 }
  28
  29 fn main() {}