NAME

       Tree::XPathEngine::Boolean - Boolean true/false values

DESCRIPTION

       Tree::XPathEngine::Boolean objects implement simple boolean true/false objects.

API

   Tree::XPathEngine::Boolean->_true
       Creates a new Boolean object with a true value.

   Tree::XPathEngine::Boolean->_false
       Creates a new Boolean object with a false value.

   value()
       Returns true or false.

   xpath_to_literal()
       Returns the string "true" or "false".

   xpath_string_value
   xpath_cmp
   xpath_to_boolean
   xpath_to_number