No:

(type '())
clojure.lang.PersistentList$EmptyList

It a list just like it should be.

Le mercredi 20 mai 2015 20:02:22 UTC-4, Colin Yates a écrit :
>
> That's OK, I am also confused between '() which is a literal list and #{} 
> which is a literal set :).
> On 21 May 2015 00:55, "Pierre Thibault" <pierre.t...@gmail.com 
> <javascript:>> wrote:
>
>> OK,
>>
>> I don't know how to write macros yet. I was confused.
>>
>> Thank you.
>>
>> Le mercredi 20 mai 2015 18:48:03 UTC-4, Colin Yates a écrit :
>>>
>>> @ (and deref) are used to dereference constructs which support multiple 
>>> values over time; atoms, futures and promises etc. ~@ is a different thing 
>>> entirely and is used to desplice lists in a macro.
>>>
>>> In your example, you aren't in a macro and '() is defining a set, I.e. 
>>> it isn't a temperal construct.
>>> On 20 May 2015 23:43, "Pierre Thibault" <pierre.t...@gmail.com> wrote:
>>>
>>>> For example:
>>>>
>>>> (def foo '(1 2 3))
>>>> (+ @foo)
>>>>
>>>> Does not work. I am expecting 6.
>>>>
>>>> Le mercredi 20 mai 2015 18:37:05 UTC-4, Colin Yates a écrit :
>>>>>
>>>>> @my-atom is the same as (deref my-atom), is that what you mean?
>>>>> On 20 May 2015 23:35, "Pierre Thibault" <pierre.t...@gmail.com> wrote:
>>>>>
>>>>>> Is possible to use the operator '@' alone? In the Joy Of Clojure book 
>>>>>> it is presented as '~@'. I would like an example.
>>>>>>
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>> <javascript:>
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