error bad-label

error Standard: [§1.3]

What it means#

break 'name and continue 'name must refer to a label of an enclosing loop, introduced as 'name: for ... (§1.3, §5.6).

oxl✓ checked in CI

fn main() {
  for a in [1, 2] {
    for b in [1, 2] {
      if a == b { break 'outer }      // <- bad-label
    }
  }
}

error

bad-label

oxl✓ checked in CI

fn main() {
  'outer: for a in [1, 2] {
    for b in [1, 2] {
      if a == b { break 'outer }
    }
  }
}

Declare the label on the outer loop, or correct its name.