ErrorCode unwraps an application error and returns its code.

Errorf is a helper function to return an Error with a given code and formatted message.

ErrorMessage unwraps an application error and returns its message.

Application error codes.

Application error codes.

Application error codes.

Application error codes.

Application error codes.

Error represents an application-specific error.

Adder allows to add edges and nodes to graph.

DOTEdge is Graphviz DOT edge.

DOTNode is Graphviz DOT node.

Edge is a graph edge.

EdgeUpdater adds and removes edges.

Graph is weighted graph.

LabelSetter sets label.

Loader loads a graph from a databse or a filesystem.

Marshaler is used for marshaling graphs.

Node is a graph node.

NodeUpdater adds and removes nodes.

Remover allows to remove nodes and edges from graph.

Styler is used for styling.

Syncer syncs the graph to a database or a filesystem.

UIDSetter sets UID.

Unmarshaler is used for unmarshaling graphs.

Updater allows to update graph.

WeightSetter sets weight.