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README.md		README.md
flatten-array-recursive.php		flatten-array-recursive.php
flatten-array.coffee		flatten-array.coffee
flatten-array.hs		flatten-array.hs
flatten-array.js		flatten-array.js
flatten-array.php		flatten-array.php
flatten-array.py		flatten-array.py

README.md

Flatten Array

Write a function that accepts a multi dimensional array and returns a flattened version.

flatten([1, 2, [3, [4], 5, 6], 7]) // [1, 2, 3, 4, 5, 6, 7]

If solving in Haskell, please use the following datatype:

data NestedList a = Elem a | List [NestedList a]