Benchmark: timing 1000 iterations of Grep, Max, Ternary...
      Grep:  6 wallclock secs ( 5.49 usr +  0.00 sys =  5.49 CPU)
       Max:  5 wallclock secs ( 5.81 usr +  0.00 sys =  5.81 CPU)
   Ternary:  7 wallclock secs ( 6.42 usr +  0.00 sys =  6.42 CPU)