class Array

:nodoc:

def except(*keys) # :nodoc:

:nodoc: 
def except(*keys) # :nodoc:
  self.dup.except!(*keys)
end unless method_defined?(:except)

def except!(*items) # :nodoc:

:nodoc: 
def except!(*items) # :nodoc:
  copy = self.dup
  copy.reject! { |item| items.include? item }
  copy
end unless method_defined?(:except!)