src/tools/clippy/tests/ui/unused_labels.rs

   1
   2
   3
   4 #![allow(dead_code, items_after_statements, never_loop)]
   5 #![warn(unused_label)]
   6
   7 fn unused_label() {
   8     'label: for i in 1..2 {
   9         if i > 4 { continue }
  10     }
  11 }
  12
  13 fn foo() {
  14     'same_label_in_two_fns: loop {
  15         break 'same_label_in_two_fns;
  16     }
  17 }
  18
  19
  20 fn bla() {
  21     'a: loop { break }
  22     fn blub() {}
  23 }
  24
  25 fn main() {
  26     'a: for _ in 0..10 {
  27         while let Some(42) = None {
  28             continue 'a;
  29         }
  30     }
  31
  32     'same_label_in_two_fns: loop {
  33         let _ = 1;
  34     }
  35 }