public static void Check <T>(T value, IConstraint condition, string message = null)
{
if (!condition.Check(value))
{
throw new ConditionException(message);
}
}
public void ApplyConstraint(IConstraint c)
{
List <Candidate> tmp = new List <Candidate>();
for (int i = 0; i < this.candidates.Count; i++)
{
if (c.Check(this.candidates[i]))
{
tmp.Add(this.candidates[i]);
}
}
// reduce list of possible candidates
this.candidates = tmp;
}