bil-bas

class Fixnum
  def ordinal
    %w[first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth][self - 1]
  end

  # Use #to_word rather than #to_s, so it doesn't break any other printing of numbers.
  def to_word
    %w[one two three four five six seven eight nine ten eleven twelve][self - 1]
  end
end

yang-wei

Should be work with 0.18

Destructuring(or pattern matching) is a way used to extract data from a data structure(tuple, list, record) that mirros the construction. Compare to other languages, Elm support much less destructuring but let's see what it got !

Tuple

myTuple = ("A", "B", "C")
myNestedTuple = ("A", "B", "C", ("X", "Y", "Z"))