bool IEqualityComparer <T> .Equals(T?x, T?y)
{
if (x is null)
{
return(y is null);
}
else
{
return(y is not null && _comparer.PartEquals(x, y));
}
}
protected override bool PartEquals(TPart?x, TPart?y)
{
if (x is null)
{
return(y is null);
}
else
{
return(y is not null && _partComparer.PartEquals(x, y));
}
}
protected override bool PartEquals(TPart x, TPart y)
{
return(_partComparer.PartEquals(x, y));
}