{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"impl<'ll,"}]}
impl<'ll, 'tcx> TypeMembershipCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> {
    fn add_type_metadata(&self, function: &'ll Value, typeid: &[u8]) {