I was thinking in a single-consumer scenario with a buffered chan, in which you want to check if you can consume the value before effectively consuming it. As you said, a peek operation has no sense if the channel has multiple consumers.
Saludos, Nahuel Greco. On Sat, Oct 4, 2014 at 9:17 PM, Leon Grapenthin <grapenthinl...@gmail.com> wrote: > Why would you want this? To leave the value inside the channel for other > consumers? > > In that case there would be no guarantee that the value returned by the > peek operation is the next value in the channel, because it might have been > consumed already. > > > Best regards, Leon > > > On Monday, September 29, 2014 12:12:33 PM UTC+2, Nahuel Greco wrote: >> >> Currently if you block/park on a channel reading it by using <!!/<! or >> alts!/alts!! the value will be consumed when it appears, so there is no way >> to block/park waiting a new value without removing it from the channel. >> There is a non-consuming peek operation planned in the core.async roadmap >> or a design rationale exists for not including that operation? >> >> Saludos, >> Nahuel Greco. >> > -- > 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. > -- 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.