public void SetName(IEnumerable <BigInteger> prior, string firstName, string lastName)
{
var priorNames = Names.Where(n => prior.Contains(n.HashCodeInt));
if (priorNames.Count() == 1 && NameEquals(priorNames.Single(), firstName, lastName))
{
return;
}
var newName = new MathematicianName(priorNames, firstName, lastName);
if (Names.Any(n => n.HashCodeInt == newName.HashCodeInt))
{
return;
}
Names.Add(newName);
}
private bool NameEquals(MathematicianName prior, string firstName, string lastName)
{
return(prior.FirstName == firstName && prior.LastName == lastName);
}