|more useful options|
Another way to get the do-it-only-once efficiency would be to Memoize (or cache the results from) the transformation function.
Also known as the Orcish Maneuver, and often more efficient.
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
Lingua non convalesco, consenesco et abolesco. -- Rule 1 has a caveat! -- Who broke the cabal?
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
In reply to Re^2: When does it pay to use the schwartzian transform?