On Mon, Nov 2, 2009 at 12:34 PM, Stuart Sierra
wrote:
> On Oct 31, 12:37 pm, John Harrop wrote:
> > For some reason though changing "defmacro" here to "definline" doesn't
> work.
> > It says
> >
> > # this
> > context (NO_SOURCE_FILE:129)>
>
> definline doesn't support variable arities.
As in,
On Oct 31, 12:37 pm, John Harrop wrote:
> For some reason though changing "defmacro" here to "definline" doesn't work.
> It says
>
> # context (NO_SOURCE_FILE:129)>
definline doesn't support variable arities.
-SS
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On Sat, Oct 31, 2009 at 1:23 PM, Stuart Sierra
wrote:
>
> For even more fun, you can take advantage of the fact that commas are
> whitespace, and use a macro to do it at compile time:
>
> (defmacro bignum [& parts]
> (read-string (apply str parts)))
>
> (bignum 99,871,142)
> 99871142
Eh. Who ne
For even more fun, you can take advantage of the fact that commas are
whitespace, and use a macro to do it at compile time:
(defmacro bignum [& parts]
(read-string (apply str parts)))
(bignum 99,871,142)
99871142
-SS
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(defn bignum [coll]
(reduce #(+ %1 (apply * %2)) 0 (map vector (reverse coll) (iterate #(*
1000 %) 1
user=> (bignum [102 317 926])
102317926
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