On 1/8/22 11:28, Max Samukha wrote: > On Thursday, 6 January 2022 at 13:18:56 UTC, Timon Gehr wrote: > >> void foo(string x,){} // <- unary tuple > > While you are correct, it is likely to be a breaking change. Currently > (string x,) is allowed and means the same as (string x). True.