{"ast_node_type":"impl","tokens":[{"end":70,"kind":"keyword","start":0,"text":"child_captures:"}]}
    child_captures: impl IntoIterator<Item = &'a CapturedPlace<'tcx>>,
    parent_captures: impl IntoIterator<Item = &'a CapturedPlace<'tcx>>,
    mut for_each: impl FnMut((usize, &'a CapturedPlace<'tcx>), (usize, &'a CapturedPlace<'tcx>)) -> T,