Class: Array

Inherits:

Object

Object
Array

show all

Defined in:: lib/ruby-xen.rb

Overview

:nodoc:

Instance Method Summary collapse

#extract_options! ⇒ Object

Extracts options from a set of arguments.

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/ruby-xen.rb', line 44

def extract_options!
  last.is_a?(::Hash) ? pop : {}
end