{"ast_node_type":"function","tokens":[{"end":96,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn attr_name_value_str(&self, name: Symbol, val: Symbol, span: Span) -> ast::Attribute {
    // Note: `span` is used for both the identifier and the value.
        let g = &self.sess.psess.attr_id_generator;