Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/util/module.rb

Overview

 these utility methods are taken from Ruby On Rails ActiveSupport module

Instance Method Summary collapse

Instance Method Details

#extract_options! ⇒ Object

Extracts options from a set of arguments. Removes and returns the last element in the array if it’s a hash, otherwise returns a blank hash.

def options(*args)
  args.extract_options!
end

options(1, 2)           # => {}
options(1, 2, :a => :b) # => {:a=>:b}



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# File 'lib/util/module.rb', line 13

def extract_options!
  if last.is_a?(Hash) && last.extractable_options?
    pop
  else
    {}
  end
end