How to resolve the algorithm Flatten a list step by step in the CoffeeScript programming language

Published on 12 May 2024 09:40 PM
#Coffeescript

How to resolve the algorithm Flatten a list step by step in the CoffeeScript programming language

Table of Contents

Problem Statement

Write a function to flatten the nesting in an arbitrary list of values. Your program should work on the equivalent of this list: Where the correct result would be the list:

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Flatten a list step by step in the CoffeeScript programming language

Source code in the coffeescript programming language

flatten = (arr) ->
  arr.reduce ((xs, el) ->
    if Array.isArray el
      xs.concat flatten el
    else
      xs.concat [el]), []

# test
list = [[1], 2, [[3,4], 5], [[[]]], [[[6]]], 7, 8, []]
console.log flatten list


> coffee foo.coffee 
[ 1, 2, 3, 4, 5, 6, 7, 8 ]

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