{"ast_node_type":"variable","tokens":[{"end":60,"kind":"keyword","start":0,"text":"let"}]}
        let prefix_attrs_precedence = || -> ExprPrecedence {
    pub fn precedence(&self, has_attr: &dyn Fn(HirId) -> bool) -> ExprPrecedence {
            if has_attr(self.hir_id) { ExprPrecedence::Prefix } else { ExprPrecedence::Unambiguous }