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So you try to predict the future; ie, guess.

No. I simply try to develop coding habits that make the inherently unpredictable nature of the future less error-prone and less fraught. Basing those habits on repeated patterns of behaviour and outcome I have identified from observing the past.

I'm very firmly of the opinion -- based on my years of experience -- that premature generalisation has cost this industry far more, in both financial and in terms of its reputation for spending a fortune developing huge, all encompassing, singing & dancing solutions that never work, and quietly or otherwise, just end up in the bit bucket; than premature optimisation ever has or ever will.

I'm sure you're right. But you seem to be berating me for something I neither suggested nor advocate.

It didn't prefer the regex solution because it was already more generalized; I preferred it because it was more descriptive (to me), less error-prone (for me), and easier to rework or enhance (by me) should that eventually become necessary.

And I definitely wasn't suggesting premature optimization. After all, I'm not the one who would:

...willingly and knowingly trade the near 3 orders of magnitude performance gain for that task now, against any potential savings against potential future maintenance costs.

;-)

I was merely saying that I believe that code maintainability is generally more important than code performance. Which is why I still prefer the regex-based solution, even through it's three orders of magnitude slower.

I doubt we're ever going to agree on this...which is fine. But I'm certainly not going to apologize for making maintainability my own higher priority, nor for advocating it as a priority for most developers.

Damian

In reply to Re^8: Finding repeat sequences. by DamianConway
in thread Finding repeat sequences. by BrowserUk

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