ruby - 确定一个值是否存在于哈希数组中

Question

我有以下内容:

array_of_hashes = [{:a=>10, :b=>20}, {:a=>11, :b=>21}, {:a=>13, :b=>23}]

如果 :a=>11 存在于 array_of_hashes 中，我将如何查找

array_of_hashes.include? 似乎不起作用

Answer 1

array_of_hashes.any? {|h| h[:a] == 11}