RosettaCodeData/Task/Variadic-function/EMal/variadic-function.emal

^|EMal supports variadic functions in more than one way|^
fun print ← void by text mode, List args
  writeLine("[" + mode + "]")
  for each var arg in args do writeLine(arg) end
end
fun printArgumentsList ← void by List args
  print("accepting a list", args)
end
fun printArgumentsUnchecked ← void by some var args
  print("unchecked variadic", args)
end
fun printArgumentsChecked ← void by text subject, logic isTrue, int howMany, some text values
  print("checked variadic", var[subject, isTrue, howMany, +values]) # unary plus on lists does list expansion
end
printArgumentsList(var["These are the ", true, 7, "seas", "of", "Rhye"])
printArgumentsUnchecked("These are the ", true, 7, "seas", "of", "Rhye")
printArgumentsChecked("These are the ", true, 7, "seas", "of", "Rhye")