This gem allow Ruby Array#sample to accept weight option.
Add this line to your application's Gemfile:
gem 'kujibiki'And then execute:
$ bundle
Or install it yourself as:
$ gem install kujibiki
require 'kujibiki/array'
%w( GreatBlessing Blessing Curse ).sample(weight: [1, 3, 1])
#=> "Blessing" ("Blessing" is 3 times easy to be returned than others)
%w( GreadBlessing MiddleBlessing Blessing Curse GreatCurse ).sample(2, weight: [1, 3, 3, 2, 1])
#=> ["Blessing", "MiddleBlessing"] (["Blessing", "MiddleBlessing"] is easy to be returned than other combinations)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.
Bug reports and pull requests are welcome on GitHub at https://github.com/deme0607/kujibiki.
The gem is available as open source under the terms of the MIT License.