syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"parse_by_kind!(self,"}]}
source_snippet:         parse_by_kind!(self, expr_id, expr, "constant",
context_before:     fn parse_integer_literal(&self, expr_id: ExprId) -> PResult<u128> {
context_after:             ExprKind::Literal { .. }