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 > <javascript:>> 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. >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Clojure" group. >>>> To post to this group, send email to clo...@googlegroups.com >>>> Note that posts from new members are moderated - please be patient with >>>> your first post. >>>> To unsubscribe from this group, send email to >>>> clojure+u...@googlegroups.com >>>> For more options, visit this group at >>>> http://groups.google.com/group/clojure?hl=en >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "Clojure" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to clojure+u...@googlegroups.com. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> -- >> You received this message because you are subscribed to the Google >> Groups "Clojure" group. >> To post to this group, send email to clo...@googlegroups.com >> <javascript:> >> Note that posts from new members are moderated - please be patient with >> your first post. >> To unsubscribe from this group, send email to >> clojure+u...@googlegroups.com <javascript:> >> For more options, visit this group at >> http://groups.google.com/group/clojure?hl=en >> --- >> You received this message because you are subscribed to the Google Groups >> "Clojure" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to clojure+u...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
