How to create an 2D array on an existing array in Ruby? [duplicate]

Question

Suppose I have an existing array here

["abc", "def"]

I wanted to create an array with the existing elements inside that array:

[["abc"], ["def"]]

Ursus · Accepted Answer · 2017-10-29 20:59:27Z

1

Let's put every element into an array

a.map { |item| [item] }

answered Oct 29, 2017 at 20:59

Ursus

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