class ActiveSupport::InheritableOptions - activesupport-4.2.4 Documentation

# class ActiveSupport::InheritableOptions

`InheritableOptions` provides a constructor to build an `OrderedOptions` hash inherited from another hash.

Use this if you already have some hash and you want to create a new one based on it.

    h = ActiveSupport::InheritableOptions.new({ girl: 'Mary', boy: 'John' })
    h.girl # => 'Mary'
    h.boy  # => 'John'

### Public Class Methods

new(parent = nil) click to toggle source
Calls superclass method

    # File lib/active_support/ordered_options.rb, line 52
    def initialize(parent = nil)
      if parent.kind_of?(OrderedOptions)
        # use the faster _get when dealing with OrderedOptions
        super() { |h,k| parent._get(k) }
      elsif parent
        super() { |h,k| parent[k] }
      else
        super()
      end
    end

### Public Instance Methods

inheritable_copy() click to toggle source

    # File lib/active_support/ordered_options.rb, line 63
    def inheritable_copy
      self.class.new(self)
    end