fCraft.PlayerEnumerable.Spectating C# (CSharp) Method

        public static IEnumerable<Player> Spectating( [NotNull] this IEnumerable<Player> source, [NotNull] Player player ) {
            if( source == null ) throw new ArgumentNullException( "source" );
            if( player == null ) throw new ArgumentNullException( "player" );
            foreach( Player otherPlayer in source ) {
                if( otherPlayer.SpectatedPlayer == player ) {
                    yield return otherPlayer;
                }
            }
        }