Validate Luhn number.
# mix.exs
defp deps do
[
{:luhn, "~> 0.5.1"}
]
end
# and fetch
$ mix deps.get
# validate number
Luhn.valid? "378282246310005"
# => true
# Integer type number
Luhn.valid? 378282246310005
# => true
# Luhn base 16 mod 10
Luhn.valid? "0F04871513130338972614312C30307", 16, 10
# => true
$ MIX_ENV=bench mix deps.get
$ MIX_ENV=bench mix compile
$ mix bench
MIT