Module: Toolbox::HashDiff

Defined in:

lib/toolbox/hash_diff.rb

Overview

Extends the functionality of a Hash to be able to perform (i) diff and (ii) similarity operations For implementation details, see the Hash class for the extended functions

== Usage

Working with HashDiff module can be very simple, for example:

require 'toolbox/hash_diff'
require 'yaml'

hash1 = {
  :foo => 'bar',
  :bar => 'hello',
  :hello => 'world',
  :this => { :exists => 'yay!' }
}

hash2 = {
  :foo => 'bar',
  :hello => 'Hi',
  :this => { :exists => 'yay!' },
  :hey => { :this => "Doesn't exist", :but => "oh well" }
}

puts hash1.diff(hash2).to_yaml
puts hash1.similarity(hash2).to_yaml