Fix interop issues

Re-frame.utils was failing to import in a clj repl, since clj doesn't
support #queue [].

Fixed that, as well as some other potential compatibility problems.

docs/releases/2023.md

@@ -6,6 +6,12 @@
 
 > The re-frame [Clojars page](https://clojars.org/re-frame/) contains dependency coordinates for Maven/deps/Lein.
 
+## 1.4.2 (2023-12-09)
+
+#### Fixed
+
+  - `re-frame.utils` failed to load in a clj runtime, due to interop issues.
+
 ## 1.4.1 (2023-12-07)
 
 #### Added

src/re_frame/flow/alpha.cljc

@@ -5,6 +5,7 @@
    [re-frame.registrar :refer [get-handler]]
    [re-frame.loggers     :refer [console]]
    [re-frame.interceptor :refer [->interceptor get-effect get-coeffect update-effect assoc-effect]]
+   [re-frame.interop :as interop]
    [reagent.core :as r]))
 
 (def db-path? vector?)
@@ -13,7 +14,7 @@
 
 (def flow<-? (comp some? ::flow<-))
 
-(def flows (r/atom {}))
+(def flows (interop/ratom {}))
 
 (defn lookup [id] (get @flows id))
 

src/re_frame/subs/alpha.cljc

@@ -4,7 +4,7 @@
    [re-frame.subs :refer [deref-input-signals sugar warn-when-not-reactive]]
    [re-frame.registrar :refer [register-handler]]
    [re-frame.register.alpha :refer [reg lifecycle->method]]
-   [re-frame.interop :refer [add-on-dispose! make-reaction reactive? reagent-id]]
+   [re-frame.interop :refer [add-on-dispose! make-reaction reactive? reagent-id ratom]]
    [re-frame.query.alpha :as q]
    [re-frame :as-alias rf]
    [re-frame.trace :as trace :include-macros true]
@@ -102,7 +102,7 @@
 
 (reg :sub-lifecycle :forever sub-forever)
 
-(def nil-ref (r/atom nil))
+(def nil-ref (ratom nil))
 
 (defn sub-flow [q]
   (or (some-> (:id (or (second (::rf/query-v q)) q))

src/re_frame/utils.cljc

@@ -1,6 +1,7 @@
 (ns re-frame.utils
   (:require
-   [re-frame.loggers :refer [console]]))
+   [re-frame.loggers :refer [console]]
+   [re-frame.interop :as interop]))
 
 (defn dissoc-in
   "Dissociates an entry from a nested associative structure returning a new
@@ -53,7 +54,7 @@
                           {} graph)
         ks (keys graph)]
     (loop [q (filter #(zero? (get in-degree % 0)) ks)
-           sorted #queue []
+           sorted interop/empty-queue
            in-degree in-degree]
       (cond
         (seq q)