I think Idris does, see http://docs.idris-lang.org/en/latest/tutorial/typesfuns.html#the-finite-sets http://docs.idris-lang.org/en/latest/tutorial/typesfuns.htm

I think Idris does, see http://docs.idris-lang.org/en/latest/tutorial/typesfuns.html#the-finite-sets http://docs.idris-lang.org/en/latest/tutorial/typesfuns.html... But probably there is some horrible trade-off or limits that seem arbitrary.