RosettaCodeData/Task/Empty-string/MiniScript/empty-string.mini

string.isEmpty = function
  return self == ""
end function

number.toBoolStr = function
  if self == 0 then return "false"
  return "true"
end function

s = ""
t = "0"
print "'s' is empty? " + s.isEmpty.toBoolStr
print "'t' is empty? " + t.isEmpty.toBoolStr