获取哈希值

Question

如何在不指定密钥的情况下仅从哈希中获取多个键的值？这是我的哈希:

{Sat, 23 Nov 2013=>12, Fri, 22 Nov 2013=>15, Thu, 21 Nov 2013=>13} 

Answer 1

with hash#values:

a = {"Sat, 23 Nov 2013"=>12, "Fri, 22 Nov 2013"=>15, "Thu, 21 Nov 2013"=>13}
a.values

结果:

[12, 15, 13]