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Contents

# Flatten Array

Take a nested list and return a single flattened list with all values except nil/null.

The challenge is to write a function that accepts an arbitrarily-deep nested list-like structure and returns a flattened structure without any nil/null values.
 
For Example

input: [1,[2,3,null,4],[null],5]

output: [1,2,3,4,5]

## Source

Interview Question [https://reference.wolfram.com/language/ref/Flatten.html](https://reference.wolfram.com/language/ref/Flatten.html)

## Submitting Incomplete Solutions
It's possible to submit an incomplete solution so you can see how others have completed the exercise.

Version data entries

168 entries across 168 versions & 1 rubygems

Version Path
trackler-2.2.1.166 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.165 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.164 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.163 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.162 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.161 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.160 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.159 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.158 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.157 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.156 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.155 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.154 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.153 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.152 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.151 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.150 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.149 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.148 tracks/clojure/exercises/flatten-array/README.md
trackler-2.2.1.147 tracks/clojure/exercises/flatten-array/README.md