Pair<TFirst, TSecond> public class Pair<TFirst, TSecond> : IEquatable<Pair<TFirst, TSecond>> General purpose class to represent a standard pair of values. Documentation Code public TFirst First { get; } public TSecond Second { get; } public Pair(TFirst first, TSecond second) Constructs a pair with its values public bool Equals(Pair<TFirst, TSecond> other)