hash_without_indifferent_access

Hash Without Indifferent Access

Create hashes with keys that will never be converted to symbols or strings.

Installation

Add this line to your application's Gemfile:

gem 'hash_without_indifferent_access'

And then execute:

$ bundle

Or install it yourself as:

$ gem install hash_without_indifferent_access

Usage

After installing the gem, create a HashWithoutIndifferentAccess like this:

hash = HashWithoutIndifferentAccess.new(default_value)

Or like this:

hash = HashWithoutIndifferentAccess[a: 1, b: 2, c: 3]

With the freshly created HashWithoutIndifferentAccess in hand, you can now rest assured that no monkey business is going on with your keys:

hash[:a] # => 1

hash['a'] # fail!

See the full documentation here: http://ruby-doc.org//core-2.2.0/Hash.html, making sure to replace any instance of Hash with HashWithoutIndifferentAccess.

Why use this and not a Hash or {}?

You're likely to encounter a HashWithIndifferentAccess in your standard Rails app, but you might not explicitly know that one is being used. The extra verbosity makes your code more self-documenting, so people know they are dealing with a plain old hash. After all, if there is a Hash that is WithIndifferentAccess, there must be one that is Without.

Contributing

1. Fork it ( https://github.com/[my-github-username]/hash_without_indifferent_access/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request