class Faker::Code

def isbn(base: 10)

Returns:
  • (String) -

Parameters:
  • base (Integer) -- the length of the code to generate (either 10 or 13) 
def isbn(base: 10)
  case base
  when 10 then generate_base10_isbn
  when 13 then generate_base13_isbn
  else raise ArgumentError, 'base must be 10 or 13'
  end
end