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A Ruby gem which adds a module which when included to a class enables it to be used with the `dig` method.

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Verseth/ruby-diggable

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Diggable

This Ruby gem which adds a module which when included to a class enables it to be used with the dig method.

Installation

Install the gem and add to the application's Gemfile by executing:

$ bundle add diggable

If bundler is not being used to manage dependencies, install the gem by executing:

$ gem install diggable

Usage

Include it in a class to make it diggable. The Diggable module implements the dig method so that it calls public methods.

Here's a simple example.

class MyClass
  include Diggable

  attr_accessor :foo, :bar

  def initialize(foo:, bar:)
    @foo = foo
    @bar = bar
  end
end

obj = MyClass.new foo: [1, 2 ,3], bar: { some: { inner: :value } }
obj.dig(:foo, 0) #=> 1
obj.dig(:bar, :some, :inner) #=> :value

hash = { my_obj: MyClass.new(foo: 1, bar: ['hi mom', 'hi dad']) }
hash.dig(:my_obj, :foo) #=> 1
hash.dig(:my_obj, :bar, 1) #=> 'hi dad'

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake test 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 the created tag, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/Verseth/ruby-diggable.

License

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

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A Ruby gem which adds a module which when included to a class enables it to be used with the `dig` method.

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