Ruby inner flatten (array of arrays)

Question

I have an array like the following

[
  [[0, :a], [2, :b]],
  [3, :c],
  [4, :d],
  [[5, :e], [6, :f], [7, :g]]
]

That is, an Array of elements

Answer 1

One way to do is:

array.flatten.each_slice(2).to_a