Ruby-on-rails 如何展平一组阵列 - 但不是一直向下
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时间：2020-09-03 00:53:38 来源:igfitidea点击:
How to flatten an array of arrays - but not all the way down
提问by Addy
What's the best way to convert this
转换它的最佳方法是什么
[[["Club three Team one", 7800], ["Club three Team two", 7801]], [], [["Club four Team one", 7807], ["Club four Team two", 7808]], []]
into
进入
[["Club three Team one", 7800], ["Club three Team two", 7801], ["Club four Team one", 7807], ["Club four Team two", 7808]]
in ruby? flatten converts this all the way down to
在红宝石？flatten 将其一直转换为
["Club three Team one", 7303, "Club three Team two", 7304, "Club four Team one", 7310, "Club four Team two", 7311]
回答by fl00r
use flatten(1)http://apidock.com/ruby/Array/flatten
使用flatten(1)http://apidock.com/ruby/Array/flatten
your_array = [[["Club three Team one", 7800], ["Club three Team two", 7801]], [], [["Club four Team one", 7807], ["Club four Team two", 7808]], []]
your_array.flatten(1)
#=> [["Club three Team one", 7800], ["Club three Team two", 7801], ["Club four Team one", 7807], ["Club four Team two", 7808]]
