class REXML::Elements

d.elements.empty? # => false
d = REXML::Document.new(xml_string)
d.elements.empty? # => true
d = REXML::Document.new('')

Returns +true+ if there are no children, +false+ otherwise.

empty? -> true or false
:call-seq:

def empty?
  @element.find{ |child| child.kind_of? Element}.nil?
end