{"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"impl<'tcx>"}]}
impl<'tcx> LateLintPass<'tcx> for PassByValue {
    fn check_ty(&mut self, cx: &LateContext<'_>, ty: &'tcx hir::Ty<'tcx, AmbigArg>) {