(self, node, parent)
return True
Decide if the given node should be included in the search process.
        
        @type  node: node
        @param node: Given node.
        
        @type  parent: node
        @param parent: Given node's parent in the spanning tree.
        
        @rtype: boolean
        @return: Whether the given node should be included in the search process.
Decide if the given node should be included in the search process.
Decide if the given node should be included in the search process .
def __call__(self, node, parent):
        """
        Decide if the given node should be included in the search process.
        
        @type  node: node
        @param node: Given node.
        
        @type  parent: node
        @param parent: Given node's parent in the spanning tree.
        
        @rtype: boolean
        @return: Whether the given node should be included in the search process. 
        """
        return True
def __call__ ( self , node , parent ) : return True