IsVisualKey determines whether a key is a virtual key based on the key name.

NewGraphData is used to initialize a GraphData.

OutputObject is used to traverse the data in output GraphObject if atomOnly is true, only one key will be returned.

ErrFatalError means fatal error occurred.

ErrPushOverflow means data push overflow.

ErrWrongArgNumber means wrong number of parameters.

ErrWrongTypeCall means call method on wrong type.

TypeArray describes the []string, []float64, [][...] type.

TypeAtomGraph returns first data.

TypeFloat64 describes the float64 type.

TypeObject describes the map[string]GraphData type.

TypeObjectArray describes the []map[string]GraphData type.

TypeObjectGraph returns raw data.

TypeRootNode is the name of the virtual root node.

TypeString describes the string type.

Error represents a error's specification.

Graph is a parsed Graph tree.

GraphData is the generic memory of Graph.

GraphNode is the atomic node in Graph.

GraphResponse is the analytic result.

GraphRawData used to store JSON structure.

Errors is a collection of Error.

GraphObject is GraphData organized by map.

H is a shortcut for map[string]interface{}.