Benchmark: timing 50000 iterations of idiomatic, map...
 idiomatic:  3 wallclock secs ( 2.87 usr +  0.00 sys =  2.87 CPU) @ 17421.60/s (
n=50000)
       map:  3 wallclock secs ( 3.04 usr +  0.00 sys =  3.04 CPU) @ 16436.55/s (
n=50000)

Benchmark: timing 50000 iterations of idiomatic, map...
 idiomatic:  3 wallclock secs ( 2.87 usr +  0.00 sys =  2.87 CPU) @ 17421.60/s (
n=50000)
       map:  3 wallclock secs ( 3.04 usr +  0.00 sys =  3.04 CPU) @ 16436.55/s (
n=50000)

Benchmark: timing 50000 iterations of idiomatic, map...
 idiomatic:  3 wallclock secs ( 2.86 usr +  0.00 sys =  2.86 CPU) @ 17513.13/s (
n=50000)
       map:  3 wallclock secs ( 3.04 usr +  0.00 sys =  3.04 CPU) @ 16436.55/s (
n=50000)

Benchmark: timing 50000 iterations of idiomatic, map...
 idiomatic:  3 wallclock secs ( 2.87 usr +  0.00 sys =  2.87 CPU) @ 17415.53/s (
n=50000)
       map:  3 wallclock secs ( 3.04 usr +  0.00 sys =  3.04 CPU) @ 16436.55/s (
n=50000)

Benchmark: timing 50000 iterations of idiomatic, map...
 idiomatic:  3 wallclock secs ( 2.87 usr +  0.00 sys =  2.87 CPU) @ 17421.60/s (
n=50000)
       map:  3 wallclock secs ( 3.04 usr +  0.00 sys =  3.04 CPU) @ 16436.55/s (
n=50000)