从数组中的数组中提取值

Question

我有这样的数组

records =
[
 ["a","1"],
 ["b","2"],
 ["c","3"]
]

我想拉3号,因为我知道我在搜索"c"的值.

我试过这个,但没有运气

search_for = 'c'

test = records.select{ |x| x=search_for}

我回到整个阵列

Answer 1

您正在寻找Array#assoc:

records.assoc(search_for).last