Realistically, how many situations are there where running keys and vals
independently is preferable to running seq once and using the two element
vectors that returns?
Usually this way one can avoid walking the whole thing twice.
(into {} (map (fn [[k v]] [k (inc v)]) {:a 0 :b 1})) is representative of
the idiom I usually use. As a bonus, into uses transients, which can create
the resulting structure in fewer cycles / less time.
On Saturday, February 1, 2014 10:00:33 AM UTC-8, Sam Ritchie wrote:
>
> Looks like Rich just chimed in with:
>
> "keys order == vals order == seq order "
>
> Matching Socks <javascript:>
> January 31, 2014 7:31 PM
> Actually, http://dev.clojure.org/jira/browse/CLJ-1302 "keys and vals
> consistency not mentioned in docstring" was declined, with the comment "The
> absence of this property in the docs is correct. You should not rely on
> this."
>
>
>
> On Wednesday, August 11, 2010 6:03:39 PM UTC-4, Chouser wrote:
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