Not sure what you want to obtain, but consider this example
(defmacro foo [fn-name]
`(defn ~fn-name []
~(str fn-name)))
(foo some-name) ; This will define a function some-name, which returns it's
name as a string "some-name"
понедельник, 23 апреля 2012 г., 1:42:26 UTC+4 пользователь timc написал:
>
> I often write functions like this:
>
> (defn foobar []
> (let [log (makeLogger "foobar")]
> .... blah blah ))
>
> where makeLogger returns a logging function that prefixes all messages
> with the name provided.
>
> It looks as though macros don't have a "stringize" ability (like the C
> preprocessor) so that this would work:
>
> (defmacro foo [fname & body]
> `(defn ~fname []
> (let [~'log (~'makeLogger "~fname")]
> ~@body)))
>
> When this is expanded, the string comes out as-is: "~fname".
> Is there some way to do this?
>
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