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A comment on Optimization by accepting side effects.

Re:Optimization by accepting side effects by invalidOrTaken on Monday October 28, 2013 @03:17PM (#6629150)
I have fully taken the functional Kool-Aid. I like writing what I want, not how to get there.

But this limits me to writing what I want. In some cases, it is more concise to simply write how to get there---especially when you can accomplish two aims at once.

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Re:Optimization by accepting side effects by banachtarski on Monday October 28, 2013 @03:29PM (#6629216)
You can actually use this technique in your functional programs too if speed is important to you.
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