Benchmark: timing 5000 iterations of goto, my, pipe...
      goto:  3 wallclock secs ( 2.96 usr +  0.00 sys =  2.96 CPU) @ 1689.19/s (n=5000)
        my:  4 wallclock secs ( 3.18 usr +  0.01 sys =  3.19 CPU) @ 1567.40/s (n=5000)
      pipe:  3 wallclock secs ( 2.89 usr +  0.00 sys =  2.89 CPU) @ 1730.10/s (n=5000)
       Rate   my goto pipe
my   1567/s   --  -7%  -9%
goto 1689/s   8%   --  -2%
pipe 1730/s  10%   2%   --