Also, if you write your let bindings (according to common convention)
so that you have one binding per line, you can use ;; to create a line
comment, like:
(let [x 1
;;y 2
]
x)
(Ps. A single semicolon would suffice, but the double version keeps
indentation when formatting the buffer in Emacs (and other editors))
On 10 June 2014 06:01, Alex Miller <a...@puredanger.com> wrote:
> The only place I've found the comment macro to be useful is at the top-level
> of a ns to hold a bunch of test/temp code.
>
>
> On Monday, June 9, 2014 11:22:10 PM UTC-5, Taegyoon Kim wrote:
>>
>> Ah, reader macro! Thanks!
>>
>> Ignore next form (#_)
>> The form following #_ is completely skipped by the reader. (This is a more
>> complete removal than the comment macro which yields nil).
>>
>> (from http://clojure.org/reader)
>>
>> Conclusion: Don't use the comment macro. It makes runtime overhead.
>>
>>
>> 2014년 6월 10일 화요일 오후 12시 22분 50초 UTC+9, guns 님의 말:
>>>
>>> On Mon 9 Jun 2014 at 07:07:42PM -0700, Taegyoon Kim wrote:
>>> > And you can't do this:
>>> > user=> (let [x 1 (comment y 2)] x)
>>>
>>> Alex Miller (?) once pointed out that the #_ reader macro can be chained
>>> like this:
>>>
>>> (let [x 1 #_#_y 2] x)
>>>
>>> Pretty nifty.
>>>
>>> guns
>
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