public function isEmpty()
    {
        $returnValue = (bool) false;

        
        $returnValue = (count($this->sequence) == 0);
        

        return (bool) $returnValue;
    }
public function isEmpty()
    {
        $returnValue = (bool) false;

        
        $returnValue = (count($this->sequence) == 0);
        

        return (bool) $returnValue;
    }
public function isEmpty ( ) { $ returnValue = ( bool ) false ; $ returnValue = ( count ( $ this -> sequence ) == 0 ) ; return ( bool ) $ returnValue ; }
Short description of method isEmpty

@access public
@author Lionel Lecaque <lionel.lecaque@tudor.lu>
@return boolean
Short description of method isEmpty