Hi Ye, > or at least *Do Not Use *those standard names*.*
The following guide suggests the opposite. http://dev.clojure.org/display/community/Library+Coding+Standards > Use good names, and don't be afraid to collide with names in other namespaces. That's what the flexible namespace support is there for. Takahiro On Sunday, August 4, 2013 11:25:34 AM UTC+9, Ye He wrote: > > Yesterday, I spent hours trying to figure out why some code didn't work. > The code is like so: > (defn replace-symbol-in-ast-node [old new ast] > (tree-replace (symbol old) (symbol new) ast)) > > I use tree-replace directly like this: > (ast/tree-replace (symbol 'a) (symbol 'c) (ast/sexp->parsley '(+ a b))) > > I thought the result would the the same but I was wrong. After hours of > thinking, I finally figured it out. > Guess what? The 'symbol' function in the first code snippet is not the > standard 'symbol'. It actually is: > (defn symbol [sym] > (make-node :atom (core/vector (name sym)))) > > It's defined in another library. But I stupidly thought it was the > standard 'symbol'. > Part of this was my fault, I guess. I shouldn't have taken it for granted > and guessed its meaning. But who know? > In my opinion if we use less :use, it would easier for others to read our > code and less likely to misunderstand the meaning, or at least *Do Not > Use *those standard names*.* > > > On Wednesday, July 24, 2013 1:50:50 AM UTC+10, Greg wrote: >> >> I think I read somewhere that :use is no longer encouraged, but I could >> be mistaken. >> >> From what I've read, it seems like most people agree that Clojure has too >> many ways of including/importing/referencing/requiring/using things: >> >> >> http://blog.8thlight.com/colin-jones/2010/12/05/clojure-libs-and-namespaces-require-use-import-and-ns.html >> >> >> The above gives a very nice explanation of all the various difference, >> but it also acknowledges their complexity. >> >> Since :use uses :require, and since :require can do everything that :use >> can, can we simplify Clojure programming a bit for newcomers by deprecating >> the use of :use? The situation in ClojureScript is even worse because it >> adds :require-macros on top of all the other ways of including files. >> >> Ideally, it would be awesome if there was just a single directive for >> everything, but perhaps there's some complicated low-level reason why >> that's not possible. :-\ >> >> Thoughts? >> >> Thanks, >> Greg >> >> P.S. If this has already been brought up you have my sincere apologies. >> >> -- >> Please do not email me anything that you are not comfortable also sharing >> with the NSA. >> >> -- -- 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.
