Created
February 10, 2016 17:22
-
-
Save sammylupt/8da41674451e84e1ed03 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| defmodule HappyNumberFinder do | |
| def get_sum(number) do | |
| number | |
| |> Integer.digits #=> [4, 9] | |
| |> Enum.map(fn(x) -> x * x end) #=> [16, 81] | |
| |> Enum.reduce(fn(x, total) -> x + total end) #=> 97 | |
| end | |
| end |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment