Just to follow up on this & a note for future reference: I could get
my original macro to work in both dialects by just syntax quoting the
passed in arguments and I've also pushed out a first release of the
mini-library this is all meant for...
https://github.com/thi-ng/macromath/blob/master/index
If I recall you are allowed to splice in references to Java objects so this
works out in Clojure.
On Sunday, February 23, 2014, Karsten Schmidt wrote:
> Oh man, I really do have to spend some more quality time with
> macroexpand-1 to fully grok those "~'~" forms, and - thank you - that
> change
Oh man, I really do have to spend some more quality time with
macroexpand-1 to fully grok those "~'~" forms, and - thank you - that
change does work indeed! But then why does my original version work in
Clojure? A change in quoting usually only causes havok/failure, but
here it doesn't seem to...
I think your unquoting needs tweaking?
(defmacro defmathop
"Constructs a macro to build inlined nested expressions with f applied
to inner pairs and f2 to combine results."
[name f f2]
`(defmacro ~name
([a# b# c#] `(~'~f2 (~'~f ~a# ~b#) ~c#))
([a# b# c# d#] `(~'~f2 (~'~f ~a# ~b#)
Thanks, David! I tried that already and it didn't work:
clojure.lang.Compiler$CompilerException:
java.lang.ClassNotFoundException: cljs.core,
compiling:(macromath/macros.clj:58:1)
I also tried to require cljs.core in that macro's namespace, but then
it complains this way:
clojure.lang.Compiler$C
You shouldn't use js*, and in this case it can be avoided. The problem
you're encountering is a long outstanding wart that ClojureScript macros
resolve symbols in Clojure not ClojureScript. Instead of + (which is
actually clojure.core/+) you want to specify cljs.core/+:
(defmathop cljs.core/+ cljs
After taking another look through cljs.core I managed to reformulate
my macro using js* templates, but am still wondering why the "normal"
(and cross-platform) solution doesn't work and also if using the js*
way is actually safe in the future (i.e. not just a current
implementation detail)?
(defma
Btw. My cljs example above is slightly wrong due to my simplifying the
email example. I originally used this ns declaration
(ns macromath.test
(:require-macros [macromath.core :as m]))
...and then of course referred to (m/madd ...)
But the issue remains regardless...
On 23 Feb 2014 15:59, "Kar
Hi, I've written a macro to build inline expanded math expressions and
it's working well in Clojure, however fails with a compile exception
in CLJS. I'm not sure if this is a shortcoming of the CLJS compiler or
(much more likely) a mistake with my macro.
(ns macromath.core)
(defmacro defmathop
