graph

type DotEdgeSpec struct {
	FromNodeName string
	ToNodeName   string
	Tooltip      string
	Style        string
	Color        string
}

type DotNodeSpec struct {
	// id of the node
	Name string
	// display text of the node
	DisplayName string
	Tooltip     string
	Shape       string
	Style       string
	FillColor   string
}

type Edge[NT NodeConstrain] struct {
	From NT
	To   NT
}

type EdgeSpecFunc[T NodeConstrain] func(from, to T) *DotEdgeSpec

type Graph[NT NodeConstrain] struct {
	// contains filtered or unexported fields
}

type GraphCodeError string

type GraphError struct {
	Code    GraphCodeError
	Message string
}

type NodeConstrain interface {
	// Name of the node, should be unique in the graph
	GetName() string
	// DotSpec returns the dot spec for this node
	DotSpec() *DotNodeSpec
}