class Array

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}

# File lib/core_ext/array/extract_options.rb, line 24
def extract_options!
  if last.is_a?(Hash) && last.extractable_options?
    pop
  else
    {}
  end
end