private Variable variableFor(object key, String name)
{
if (allVariables.ContainsKey(key))
{
return(allVariables[key]);
}
var newVar = solver.MakeNumVar(0.0, double.PositiveInfinity, name + ":" + GetSequence());
allVariables[key] = newVar;
return(newVar);
}
private Variable VariableFor <T>(T key, Func <T, string> name)
where T : class
{
if (allVariables.TryGetValue(key, out Variable? variable))
{
return(variable);
}
var newVar = solver.MakeNumVar(0.0, double.PositiveInfinity, name(key) + ":" + GetSequence());
allVariables[key] = newVar;
return(newVar);
}