tests/ui/issues/issue-40510-3.rs

   1 #![allow(unused)]
   2
   3 fn f() {
   4     let mut x: Vec<()> = Vec::new();
   5
   6     || {
   7         || {
   8             x.push(())
   9         }
  10         //~^^^ ERROR captured variable cannot escape `FnMut` closure body
  11     };
  12 }
  13
  14 fn main() {}