flatten.md

flatten

Flattens the given array

flatten [ 1, [ 2, [ 3 ], 4 ] ]     # ==> [ 1, 2, 3, 4 ]
flatten [ 1, [ 2, [ 3 ], 4 ] ], 1  # ==> [ 1, 2, [ 3 ], 4 ]

[ 1, [ 2, [ 3 ], 4 ] ]
flatten 1  # ==> [ 1, 2, [ 3 ], 4 ]

[ 1, [ 2, [ 3 ], 4 ] ]
flatten _  # ==> [ 1, 2, 3, 4 ]

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• flatten spec