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今天在 Qiita 上面看到一段模仿黑客帝国刷屏的小程序 代码如下
def gori_yes(size=1)
[*0..9,*'a'..'z',*'A'..'Z'].sample(size).join
end
loop do
print gori_yes + " " + gori_yes + " "
sleep(0.001)
end
发现这种写法挺好的，在数组中 Range 对象前面加个*号展开这个对象
[*0..9] # => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
