Recordkeeper
Recordkeeper is a ruby gem that works like Python's Counter method. Built as a monkey patch to the Array class, recordkeeper takes an array and returns a hash where the keys are the array's values, and the values are the instances in which the values appear in the original array.
So for example:
[1, 1, 1, 4, 2, 5].recordkeeper returns 4 => 1, 2 => 1, 5=>1
["apple", "apple", "banana", "cartoon"].recordkeeper returns "banana"=>1, "cartoon"=>1
Installation
Add this line to your application's Gemfile:
gem 'recordkeeper'
And then execute:
$ bundle
Or install it yourself as:
$ gem install recordkeeper
Development
After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.
Contributing
Bug reports and pull requests are welcome on GitHub at https://github.com/yisusans/recordkeeper. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.
Make a pull request if you want to add more tests! Or if you've found unexpected bugs. OR if you want to make my code faster :).
License
The gem is available as open source under the terms of the MIT License.