code: function successExec( doc ) {
              // console.log( self.name(), 'pathFunctionProto successExec', option.node);
              console.view( self, '- ' + option.node.xTo(), 2 );
              // console.log('successExec:', doc );
              nextTick.call( self, doc, picker, events );
          }
docs: console.log('pathFunctionProto');