Luhn (luhnacy v0.1.0) View Source
Generate and validate luhn valid numbers using some useful helper functions
Link to this section Summary
Functions
Randomly generates a luhn valid number given a prefix and n numbers to fill
Randomly generates a luhn number without any prefix given a length
Check if a luhn number is valid given that number
Link to this section Functions
Randomly generates a luhn valid number given a prefix and n numbers to fill
Returns luhn valid number with x prefix and n remaining numbers
iex> Luhn.generate_from_joker("1234**") 12347209
Randomly generates a luhn number without any prefix given a length
Returns luhn valid number of length n
iex> Luhn.random_gen(8) 40679946
Check if a luhn number is valid given that number
Returns result of luhn algorithm
iex> Luhn.valid?(1234) false