Activerecord::PatternMatch

Add this line to your application's Gemfile:

gem 'activerecord-pattern_match'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install activerecord-pattern_match

require "activerecord/pattern_match"

ActiveRecord::Schema.define do
  create_table :users, force: true do |t|
    t.string  :name
    t.integer :age

    t.timestamps
  end
end

class User < ActiveRecord::Base
end

using ActiveRecord::PatternMatch

user = User.create name: "homu", age: 14

user in { id:, name:, age:, created_at: }
p id, name, age, created_at
# => 1
#    "homu"
#    14
#    2020-01-25 06:03:00.368396 UTC

case user
in age: (..10)
  p "A"
in age: (10..20)
  p "B"
in age: (20..)
  p "C"
end
# => "B"

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/osyo-manga/activerecord-pattern_match.

The gem is available as open source under the terms of the MIT License.