Bitfieldable

The Bitfieldable gem allows you to define a set of boolean flag attributes that are backed by a single integer bitfield.

Add this line to your application's Gemfile:

gem 'bitfieldable'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install bitfieldable

For example, create a User model with an int NOT NULL field called flags, which defaults to 0.

class User
  include Bitfieldable::Concern

  bitfields flags: %i[admin special shadowbanned]
end

user = User.new

user.admin? # false
user.admin!
user.admin? # true
user.flags # 1

user.flip_special!
user.special? # true
user.flags # 3

user.shadowbanned = true
user.shadowbanned? # true
user.flags # 7

After checking out the repo, run bin/setup to install dependencies. 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.

Bug reports and pull requests are welcome on GitHub at https://github.com/yasyf/bitfieldable.