public Traversal(
IProblem <TState, TCost> problem,
IScenario <TState, TCost> scenario,
TState initstate
)
{
Problem = problem;
Scenario = scenario;
var initstateestimateddistance = scenario.GetDistance(initstate);
OpenNodes = new NodeRepository <TState, TCost>(
new Node.Primitive <TState, TCost>(null, initstate, Problem.InitCost, initstateestimateddistance, Problem.Accumulate(Problem.InitCost, initstateestimateddistance)),
Problem.Comparer);
}