module RandUsername
Constants
- VERSION
Public Class Methods
generate(n: 6)
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# 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