Hello Alex On Tuesday, January 15, 2019 at 3:19:05 PM UTC+1, Alex Miller wrote: > > Well first, there is a conscious split between collection and sequence > functions. Collection functions take a collection and return the same > collection (and take the collection first) - things like conj, assoc, > dissoc, disj, etc. Those functions are all trait-based and "update" > operations are performed on the collection (via those trait interfaces) so > the collection has the opportunity to return a new variant of its own type. >
Yes > For sequences, these take and return sequences (really seqables), which is > a logical abstraction. Sequence functions inherently make new sequences and > you don't have an opportunity to influence how that happens (they mostly > build new lazy seqs from scratch). However, this is exactly the thing that > transducer operations do - they let you separate the operation from what > happens with the results. So using something `into`, with a transducer > chain, from your source collection to your target collection is again, only > using collection ops (conj) so you're back in the collection world. > Yes, this confirms my understanding and that there is not only no shortcut, but that it would be wrong to actually look for a shortcut given the way the abstractions are defined. > > Hopefully that confirms/answers what you're thinking through. > > Lot of thanks for taking time to reply! With best regards Plamen -- 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.
