tcak:
So, at the end of the day (I left working on my Matcher class in the morning waiting an answer for this question), there is nothing to convert ['a'..'d', '0'..'3'] to ['a', 'b', 'c', 'd', '0', '1', '2', '3'] at compile time automatically.
Right. The 'a'..'d' is not first class, and you can't invent new syntax.
Bye, bearophile
