docs: function() {
  		var v	= [];
  		for( var i in this )
  			if( typeof this[i]=="function" && this[i].__virtual )
  				v.push( i );
  		
  		if( v.length )
  			createClass.log( 'error', 'INCOMPLETE CLASS '+this.__className+' HAS AT LEAST ONE PURE VIRTUAL FUNCTION: '+v.join(", ") );
  	}