This ship has sailed.
> On Oct 6, 2017, at 6:04 PM, Alan Thompson <clooj...@gmail.com> wrote:
>
> Before 1.9.0 is officially released, I would like to propose a revisit to the
> semantic mismatch introduced by the clojure.core/any? function.
>
> Many, many people are dissatisfied by the choice of clojure.core/any? to be
> defined as (constantly true), which is completely in conflict with
> clojure.core/not-any? . After all, any logical person would automatically
> assume that:
>
> (= (not-any? args...) (not (any? args...))
>
> for any set of legal arguments. This follows the well-established tradition
> in Clojure of having negated pairs such as if vs if-not, when vs when-not,
> every? vs not-every?, etc.
>
> However, I can see that it is convenient to say something like this:
>
> (s/fdef clojure.core/declare
> :args (s/cat :names (s/* simple-symbol?))
> :ret any?)
>
> It seems a simple solution to the problem would be to just define some
> keyword specs in place of the globally visible any? function. The following
> example shows that we could define :clojure.spec/pass-all and
> :clojure.spec/pass-none which would could serve as an exact replacement for
> any? (& its negative).
>
> (:require [clojure.spec.alpha :as s] ...)
> (deftest demo
> (s/def ::s/pass-all (constantly true))
> (s/def ::s/pass-none (constantly false))
>
> (is (s/valid? ::s/pass-all 5 ))
> (is (s/valid? ::s/pass-all "joe" ))
> (is (s/valid? ::s/pass-all { :blah 42 :blue 66 :hut! 'hut! }))
> (is (not (s/valid? ::s/pass-none 5 ))))
>
> Since 1.9.0 is not out yet, is not too late to avoid a permanent pollution of
> the language with a gigantic mistake such as any?. At the very least, the
> function could be moved to clojure.spec/any? from clojure.core. If we insist
> on adding this blatant contradiction to clojure.core, we won't even have the
> excuse of a committee to blame it on.
>
> Alan Thompson
>
>
>
>> On Sun, Nov 13, 2016 at 4:15 PM, Nathan Smutz <nsm...@gmail.com> wrote:
>> Is there a Tricky Names for Nubies page?
>> We might save some stack-overflow searches.
>>
>> In the spirit of Honest Trailers: if we named functions for what they do:
>> or -> first-truthy
>> some -> first-satisfying
>> some? -> not-nil?
>> any? -> return-true
>>
>> Are there others?
>>
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