src/test/ui/closures/2229_closure_analysis/migrations/closure-body-macro-fragment.rs

   1 // run-rustfix
   2 // edition:2018
   3 // check-pass
   4 #![warn(rust_2021_compatibility)]
   5
   6 macro_rules! m {
   7     (@ $body:expr) => {{
   8         let f = || $body;
   9         //~^ WARNING: drop order
  10         f();
  11     }};
  12     ($body:block) => {{
  13         m!(@ $body);
  14     }};
  15 }
  16
  17 fn main() {
  18     let a = (1.to_string(), 2.to_string());
  19     m!({
  20         //~^ HELP: add a dummy
  21         let x = a.0;
  22         println!("{}", x);
  23     });
  24 }