Thanks everyone. Good stuff. I have Let over Lambda, but I didn't glean what I wanted from it (or probably even what it wanted from me). I'll pick up On Lisp. I didn't realize it was focused on macros.
Also, I think Luca has given me a clue. I used code gen techniques long before I started using reflection based techniques. Macros are more like code gen, so I'll think back to those techniques, and search for analogues and maybe even epiphanies. I think I had the ideas of dynamism and DRY complected (sorry, had to). The dynamism will obviously require state. The DRY shouldn't. But in C# I've usually gone dynamic to get dry. Out of curiousity, where do the defs go? Could one iterate over all the vars in the runtime environment? Would I just get pointers to native code? On Fri, Aug 9, 2013 at 1:04 PM, Andrew Stine <illuminati1...@gmail.com>wrote: > The difficulty with On Lisp when applied to Clojure is that the specific > macros On Lisp demonstrates either depend on state, which Clojure avoids, > or are already present in Clojure core. (if-let is a big one in my book.) > Some of them also run into conflicts with Clojure implicit gensyming. I > don't suggest it for the specific macros it demonstrates, but because it > demonstrates very clearly what they are for, why and where you would use > them, and how, in general, they are used. I also don't write macro much > anymore in Clojure but that's mostly because Clojure has a few macros > already which handle most of the things I would do with them in Common Lisp. > > > On Friday, August 9, 2013 11:13:44 AM UTC-4, Lee wrote: >> >> >> On Aug 9, 2013, at 11:01 AM, Andrew Stine wrote: >> >> > For a pretty decent cover of when and how to use macros, On Lisp[1] is >> a pretty good book. It's written mainly for Common Lisp but most of it >> translates to Clojure well enough. I find that for common code, writing >> macros isn't so useful as most of the goods ones are already part of >> clojure.core. But if you ever find yourself in the position where you'd >> really like to have a control structure just for your program, or introduce >> a compile-time code generator, or subtly add a new paradigm to the >> language, a macro is your ticket. >> > >> > 1. http://code.google.com/p/**onlisp/<http://code.google.com/p/onlisp/> >> >> I think that On Lisp is completely awesome -- one of the best technical >> books of any kind that I've ever read. >> >> However, my recollection is that the macro stuff, in particular, doesn't >> translate so well to Clojure because the differences between Common Lisp >> and Clojure macros are pretty fundamental. Or at least that has been my >> impression.... and I mostly stopped writing macros when I switched from >> Common Lisp to Clojure because I found the differences confusing. Your >> experience may be different but I thought that a warning might be in order. >> >> -Lee >> >> >> >> -- > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > 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 clojure+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at 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 clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
