On Sun, Sep 20, 2009 at 7:25 PM, Christian Vest Hansen
<karmazi...@gmail.com> wrote:
> On Sun, Sep 20, 2009 at 6:20 PM, samppi <rbysam...@gmail.com> wrote:
>>
>> I was messing with the REPL when I found this happens:
>>
>> Clojure 1.0.0-
>> user=> (def a #^{:a 5} [1 2 3])
>> #'user/a
>> user=> ^a
>> {:a 5}
>> user=> (def b #^{:b 2} '(1 2 3))
>
> You have a quote symbol in there, so that line can also be written as:
>
> (def b #^{:b 2} (quote (1 2 3)))
... and #^{} applies read-time to the following *form* rather than the
value they evaluate to, so that is why neither (list ...) nor (quote
...) work.
>
>
>> #'user/b
>> user=> ^b
>> {:line 3}
>> user=> (def c (with-meta '(1 2 3) {:c 0}))
>> #'user/c
>> user=> ^c
>> {:c 0}
>>
>> What's going on with that {:line 3}? Is it something that the REPL is
>> doing? Where did {:b 2} go? And why does it happen with the reader
>> macro #^ and not with-meta?
>> >>
>>
>
>
>
> --
> Venlig hilsen / Kind regards,
> Christian Vest Hansen.
>
--
Venlig hilsen / Kind regards,
Christian Vest Hansen.
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