I tried with eval, tried the let inside and outside the syntax-quote -
I've tried everything! This is so frustrating!
Jim
On 24/02/13 18:24, AtKaaZ wrote:
ds# inside the def is inside a ~() which means it's expected to exist
outside of the `
like:
(defmacro ...
(let [ds# "something]
`(def ~(... ds# ) ....
))
maybe try the let block be outside of the ` ? but that means you
probably need to use eval
It's funny I tried the same thing like you like 1 day ago here:
https://github.com/DeMLinkS/demlinks/commit/85219208007fff6e7a11fb579d7125c73a6dc597
by trying to put the let inside the ` but failed
On Sun, Feb 24, 2013 at 6:02 PM, Jim - FooBar(); <jimpil1...@gmail.com
<mailto:jimpil1...@gmail.com>> wrote:
Hi everyone,
I cannot figure out for the life of me how to pass in an optional
doc-string into a 'defsomething' macro and have it to work. If I
hard-code it then it works just fine...
(defmacro def-plus-doc [name & syms]
`(def ~(with-meta name (assoc (meta name) :doc "HI!")) ~@syms))
;;this will work just fine
(defmacro def-plus-doc [name & syms] ;;slightly augmented to
detect doc-string
`(let [[doc# & syms# :as all#] (vector ~@syms)
cs# (if (string? doc#) [syms# true] [all# false])
ds# (if (second cs#) doc# "This workflow has not been
documented...")]
(def ~(with-meta name (assoc (meta name) :doc ds#)) ~@syms)))
;;fails with CompilerException java.lang.RuntimeException: Unable
to resolve symbol: ds# in this context,
compiling:(NO_SOURCE_PATH:5:26)
why is it so hard? I've been trying for almost 3 hours!!!! nothing
seems to work... :(
Jim
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Please correct me if I'm wrong or incomplete,
even if you think I'll subconsciously hate it.
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