Clojure Q&A - Recent questions tagged primitive https://ask.clojure.org/index.php/tag/primitive Is invoking an anonymous primitive function expected to use the primitive interface? https://ask.clojure.org/index.php/14888/invoking-anonymous-primitive-function-primitive-interface <p>Invoking an anonymous primitive function seems to not use the primitive interface.</p> <pre><code>(set! *unchecked-math* :warn-on-boxed) (let [f (fn ^double [] 1.0)] (+ 1.0 (f))) ;; Boxed math warning </code></pre> <p>Is this expected behaviour? </p> Clojure https://ask.clojure.org/index.php/14888/invoking-anonymous-primitive-function-primitive-interface Tue, 13 Jan 2026 14:28:41 +0000