Last active
August 29, 2015 14:23
-
-
Save jikkujose/b5764133979c54a0b383 to your computer and use it in GitHub Desktop.
Ruby pipeline
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
| # Original | |
| movies.group_by do |movie| | |
| movie.genre | |
| end.map do |month, list| | |
| [month, list.size] | |
| end.sort_by(&:last).reverse | |
| # Alternative | |
| movies | |
| .group_by { |movie| movie.genre } | |
| .map { |month, list| [month, list.size] } | |
| .sort_by(&:last) | |
| .reverse |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment