> With the safety net of fast engines, we can sacrifice the 'fastest' implementation of our functions for more readable & maintainable versions. Followed by a

> With the safety net of fast engines, we can sacrifice the 'fastest' implementation of our functions for more readable & maintainable versions. Followed by a search smallest function which is linear in time optimized to a function using filter/sort which is n*log(n) in time. Impressive indeed.