Remove the reflection warning in LocalDateTime -> offset-date-time

src/tick/core.cljc

@@ -229,7 +229,7 @@
                             ldt
                             (#?(:clj .getOffset :cljs .offset)
                               (-> (current-zone)
-                                  (cljc.java-time.zone-id/get-rules))
+                                  ^java.time.zone.ZoneRules (cljc.java-time.zone-id/get-rules))
                               ldt)))
   (zoned-date-time [ldt] (cljc.java-time.local-date-time/at-zone ldt (current-zone)))
 

test/tick/reflection_test.clj

@@ -0,0 +1,19 @@
+(ns tick.reflection-test
+  "tick.core must compile with no reflection warnings, so that a GraalVM
+  native image of a program that uses tick needs no reflection config."
+  (:require [clojure.string :as str]
+            [clojure.test :refer [deftest is]]))
+
+(defn- reflection-warnings
+  "Recompiles `ns-sym` with *warn-on-reflection* on and returns the
+  reflection warnings that the compiler printed."
+  [ns-sym]
+  (let [err (java.io.StringWriter.)]
+    (binding [*warn-on-reflection* true
+              *err*                err]
+      (require ns-sym :reload))
+    (->> (str/split-lines (str err))
+         (filter #(str/includes? % "Reflection warning")))))
+
+(deftest tick-core-has-no-reflection
+  (is (= [] (reflection-warnings 'tick.core))))