{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"impl<'tcx>"}]}
impl<'tcx> LateLintPass<'tcx> for UnitBindings {
    fn check_local(&mut self, cx: &crate::LateContext<'tcx>, local: &'tcx hir::LetStmt<'tcx>) {