dissoc is like assoc.
If you want to use collections with dissoc you can always use apply. It's
not too much to type:
(def my-map {:first "Bob", :middle "Joe", :last "Smith"})
(apply dissoc my-map [:first :middle])
On Sat, Feb 21, 2009 at 5:58 PM, samppi <rbysam...@gmail.com> wrote:
>
> Allowing dissoc and select-keys to accept both keys as arguments and
> as a collection would be nice, and backwards compatible. In any case,
> ostensibly it should be consistent; otherwise, it's just an
> idiosyncrasy in the language that people will have to deal with. I
> wonder what the reasoning is behind it, or if it was completely
> arbitrary.
>
> On Feb 21, 1:28 pm, Mark Volkmann <r.mark.volkm...@gmail.com> wrote:
> > (def popsicle-map {:red :cherry, :green :apple, :purple :grape})
> >
> > ; Note how the keys passed to dissoc are individual arguments.
> > (dissoc popsicle-map :green :blue) ; -> {:red :cherry, :purple :grape}
> >
> > ; Note how the keys passed to select-keys are in a vector, not
> > individual arguments.
> > (select-keys popsicle-map [:red :green :blue]) ; -> {:green :apple,
> > :red :cherry}
> >
> > I wonder why these were implemented differently. Maybe both dissoc and
> > select-keys should accept both individual key arguments and a sequence
> > of keys.
> >
> > --
> > R. Mark Volkmann
> > Object Computing, Inc.
> >
>
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