Values in signature

signature.exs

defmodule Sample.Signature do
  def match(1), do: IO.puts "Matched 1"
  def match(2), do: IO.puts "Matched 2"
  def match(number), do: IO.puts "Matched #{number} dynamically"
end

# iex "signature.exs"
# Sample.Signature.match(1)
#   Matched 1
#   :ok
#
# Sample.Signature.match(2)
#   Matched 2
#   :ok
# 
# Sample.Signature.match(22)
# Matched 22 dynamically
# :ok