9 lines
163 B
Ruby
9 lines
163 B
Ruby
|
class String
|
||
|
|
|
||
|
|
@@chars ||= ('a'..'z').to_a + ('A'..'Z').to_a
|
||
|
|
|
||
|
|
def self.random(size = 8)
|
||
|
|
(0..size).map{ @@chars[rand(@@chars.length)] }.join
|
||
|
|
end
|
||
|
|
|
||
|
|
end
|