{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"///"}]}
    /// Keep this in sync with `Token::can_begin_literal_maybe_minus`.
    /// Matches `'-' lit | lit` (cf. `ast_validation::AstValidator::check_expr_within_pat`).
    pub fn parse_literal_maybe_minus(&mut self) -> PResult<'a, P<Expr>> {