class REXML::Element

b.has_elements? # => false
b = a[0] # =>
a.has_elements? # => true
a = d.root # => ...
d = REXML::Document.new 'text'

+false+ otherwise:
Returns +true+ if the element has one or more element children,

has_elements?
:call-seq:

def has_elements?
  !@elements.empty?
end