src/test/ui/reachable/expr_return_in_macro.rs

   1 // Tests that we generate nice error messages
   2 // when an expression is unreachble due to control
   3 // flow inside of a macro expansion.
   4 #![deny(unreachable_code)]
   5
   6 macro_rules! early_return {
   7     () => {
   8         return ()
   9     }
  10 }
  11
  12 fn main() {
  13     return early_return!();
  14     //~^ ERROR unreachable expression
  15 }