{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"self.arena.alloc_from_iter(data.args.iter().filter_map(|arg|"}]}
            self.arena.alloc_from_iter(data.args.iter().filter_map(|arg| match arg {
        let constraints =
                AngleBracketedArg::Constraint(c) => {