| Class | Array | 
| In: | lib/assistance/extract_options.rb | 
| Parent: | Object | 
Array extensions
Removes and returns the last member of the array if it is a hash. Otherwise, an empty hash is returned This method is useful when writing methods that take an options hash as the last parameter. For example:
  def validate_each(*args, &block)
    opts = args.extract_options!
    ...
  end
          
          
    # File lib/assistance/extract_options.rb, line 11
11:   def extract_options!
12:     last.is_a?(Hash) ? pop : {}
13:   end