module RandUsername

Constants

VERSION

Public Class Methods

generate(n: 6) click to toggle source

# File lib/rand_username.rb, line 6
def self.generate(n: 6)
  raise Error, "nは0より大きい数を指定してください" if n <= 0

  arr = [*('a'..'z'), *('A'..'Z')]
  (0...n).map { arr[rand(arr.length)] }.join
end