This curly bracket structure is called the "Table constructor": [https://nim-lang.org/docs/manual.html#statements-and-expressions-table-constructor](https://nim-lang.org/docs/manual.html#statements-and-expressions-table-constructor). You should be able use `varargs[(string, string)]` as the type for your macro.
- the "type" of the curly-bracket structure JohnAD
- Re: the "type" of the curly-bracket structure dom96
