clojure not
2012年8月7日 — In Clojure, nil counts as false for the purposes of conditional expressions. As a result (not x) works actually works exactly the same ... ,2021年4月30日 — Both return false , which makes me think that Clojure treats nil neither as true nor false . On the other hand, (not nil) evaluates to true . So ...
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 clojure not 相關參考資料
Clojure - Cheatsheet
Misc. Compare, = identical? not= not compare clojure.data/diff. Test, true? false? instance? nil? some? Sequences. Creating a Lazy Seq. From collection, seq ... https://clojure.org Clojure not nil check
2012年8月7日 — In Clojure, nil counts as false for the purposes of conditional expressions. As a result (not x) works actually works exactly the same ... https://stackoverflow.com If nil is treated as a logical false in Clojure, why does ...
2021年4月30日 — Both return false , which makes me think that Clojure treats nil neither as true nor false . On the other hand, (not nil) evaluates to true . So ... https://stackoverflow.com if-not - clojure.core
Evaluates test. If logical false, evaluates body in an implicit do. Added by alilee. Log in to add a see-also ... https://clojuredocs.org not - clojure.core
Returns true if x is the value false, false otherwise. Added by alilee. Log in to add a see-also ... https://clojuredocs.org not-any? - clojure.core
Returns the first logical true value of (pred x) for any x in coll, else nil. One common idiom is... Added by ... https://clojuredocs.org not-empty - clojure.core
Returns true if coll has no items - same as (not (seq coll)). Please use the idiom (seq x) rather ... https://clojuredocs.org not= - clojure.core
Returns true if x is logical false, false otherwise. Added by verma. Log in to add a see-also ... https://clojuredocs.org when-not - clojure.core
build tuples over sets with the same cardinality (map #(when-not (= %2 %3) [%1 %2 %3]) (iterate inc 0) ; a lazy list of indecies [:a :b :c] [:a :a :a]) ... https://clojuredocs.org |