diff -r 5d0244c6fa3e -r 2c2304622981 src/cx/hash_key.h
--- a/src/cx/hash_key.h	Thu Apr 20 19:13:25 2023 +0200
+++ b/src/cx/hash_key.h	Fri Apr 21 18:38:18 2023 +0200
@@ -47,14 +47,7 @@
 /** Internal structure for a key within a hash map. */
 struct cx_hash_key_s {
     /** The key data. */
-    union {
-        unsigned char *bytes;
-        unsigned char const *cbytes;
-        char *str;
-        char const *cstr;
-        void *obj;
-        void const *cobj;
-    } data;
+    void const *data;
     /**
      * The key data length.
      */