public static void AddTuple<T1, T2, T3, T4>(this ICollection<Tuple<T1, T2, T3, T4>> collection, T1 first, T2 second,
T3 third, T4 fourth)
{
collection.Add(Tuple.From(first, second, third, fourth));
}
public static void AddTuple<T1, T2>(this ICollection<Pair<T1, T2>> collection, T1 first, T2 second)
{
collection.Add(Tuple.From(first, second));
}
public static Triple<T1, T2, T3> Append<T1, T2, T3>(this Tuple<T1, T2> tuple, T3 item)
{
return Tuple.From(tuple.Item1, tuple.Item2, item);
}
public static Quad<T1, T2, T3, T4> Append<T1, T2, T3, T4>(this Tuple<T1, T2, T3> tuple, T4 item)
{
return Tuple.From(tuple.Item1, tuple.Item2, tuple.Item3, item);
}
public bool Equals(Tuple<T1, T2> obj)
{
if (ReferenceEquals(null, obj)) return false;
if (ReferenceEquals(this, obj)) return true;
return Equals(obj.Item1, Item1) && Equals(obj.Item2, Item2);
}