+1 to pipe-lines of immutable data transformations. That was the biggest paradigm shift for me coming to FP and made the world a much better place.
> On 2 Oct 2015, at 16:41, Gary Trakhman <[email protected]> wrote: > > There are a lot of strategies to deal with the coupling of reuse. I find > that using pure functions makes it easy to split off responsibilities after > the fact and add multiple entry points (the hard thing becomes naming those > functions). Eventually a new 'essence' of the abstraction will show itself > and inspire a larger refactor. That's something I really miss when doing > java. > > Also, I feel that the reusable clojure code is always doing more work than > corresponding java code, so my frustration in refactoring is much greater > with java and its IDEs. The refactorings are always superficial compared to > what I'm trying to express, and in clojure I can work with data contracts > easily. I often end up writing a new version of the reusable abstraction, > writing adapters (just data transformations) from the old to the new, then > gutting the old implementation, then hopefully gutting the adapters over > time. Clojure's data focus makes this easy. > > On Fri, Oct 2, 2015 at 11:31 AM Colin Yates <[email protected] > <mailto:[email protected]>> wrote: > It might just be me, but I also find the cost of the explicit coupling that > is re-use is often far more expensive than any saving offered by re-use of a > bunch of text. I also find this _more_ expensive in Clojure than Java as > refactoring in Java was pretty robust (IntelliJ is incredibly powerful for > this). > >> On 2 Oct 2015, at 16:25, William la Forge <[email protected] >> <mailto:[email protected]>> wrote: >> >> Refactoring for reuse is a kind of early optimization? Agreed! Generally for >> me it waits until the second or third rewrite, as by then I have a bit of an >> idea about where I am headed with the code. >> >> OTOH, I finally realized that when I don't know where I am going with >> something, keeping the logic in functions instead of methods is probably >> safest. I'm thinking now that methods should mostly just be used for their >> polymorphism as just a very thin layer over a set of interfaces. >> >> I was so impressed with the advantages of Java over C++ when I started using >> it 20 years ago. But now that I've been exposed to Clojure, I'm inclined to >> minimize my use of OO and use objects mostly as what I used before OO: >> dispatch tables! >> >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Clojure" group. >> To post to this group, send email to [email protected] >> <mailto:[email protected]> >> Note that posts from new members are moderated - please be patient with your >> first post. >> To unsubscribe from this group, send email to >> [email protected] >> <mailto:[email protected]> >> For more options, visit this group at >> http://groups.google.com/group/clojure?hl=en >> <http://groups.google.com/group/clojure?hl=en> >> --- >> You received this message because you are subscribed to the Google Groups >> "Clojure" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] >> <mailto:[email protected]>. >> For more options, visit https://groups.google.com/d/optout >> <https://groups.google.com/d/optout>. > > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to [email protected] > <mailto:[email protected]> > Note that posts from new members are moderated - please be patient with your > first post. > To unsubscribe from this group, send email to > [email protected] > <mailto:clojure%[email protected]> > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en > <http://groups.google.com/group/clojure?hl=en> > --- > You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to [email protected] > Note that posts from new members are moderated - please be patient with your > first post. > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en > <http://groups.google.com/group/clojure?hl=en> > --- > You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. -- You received this message because you are subscribed to the Google Groups "Clojure" group. 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