On 2016-06-13 09:54, Pierre wrote: > Thank you i will try it. You don't need to involve the constructor. You can use .tupleof, as I mentioned [1] [2]. [1] http://forum.dlang.org/post/njlohq$1n99$1@digitalmars.com [2] http://forum.dlang.org/post/njlop0$1ngk$1@digitalmars.com -- /Jacob Carlborg