fCraft.PlayerEnumerable.Can C# (CSharp) Method

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