That's an interesting idea. Maybe there's a way to build a set of Specter navigators that operate on transients, and then use its corresponding eqiuvalences for assoc-in, update-in, etc.
On Thu, Jun 2, 2016 at 9:01 PM, Colin Fleming <[email protected]> wrote: > Have you looked at Specter? I actually don't know if it uses transients > under the hood or not, or if you can make it do so, but it seems like a > good fit for the data manipulation problem, at least. > > On 3 June 2016 at 14:43, Mark Engelberg <[email protected]> wrote: > >> Let's say I have an object represented by a series of nested maps: >> >> {:a {:b 1} :c {:d 2}} >> >> and now I'm going to be making a whole slew of edits to the submaps. >> >> To do this efficiently, I need to make all the levels of the map >> transients, because any update to the inner map also updates the outer map: >> >> (transient {:a (transient {:b 1}), :c (transient {:d 2})}) >> >> and then at the end I need to do a nested persistent! operation. >> >> However, there aren't good facilities for dealing with nested transients, >> for example, there's no assoc!-in. So it's a real pain to work with. >> >> Has anyone dealt with this already, and developed a suite of tools for >> working with nested transients, or other techniques for making batch >> updates efficient for deeply nested objects? >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Clojure" group. >> To post to this group, send email to [email protected] >> Note that posts from new members are moderated - please be patient with >> your first post. >> To unsubscribe from this group, send email to >> [email protected] >> 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 [email protected]. >> 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 [email protected] > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > [email protected] > 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 [email protected]. > 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 [email protected] Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to [email protected] 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
