Added a Redis/Valkey extension named redis. (0.42.0)

examples/extensions/redis/hash_ops.fun

@@ -0,0 +1,38 @@
+#!/usr/bin/env fun
+
+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2025 Johannes Findeisen <you@hanez.org>
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2026-06-03
+ */
+
+/*
+ * Simple Redis test using Fun builtins backed by hiredis.
+ * 
+ * Hash operations (HSET/HGET/HGETALL)
+ */
+
+h = redis_connect('127.0.0.1', 6379)
+key = 'fun:examples:redis:hash:user1'
+
+// Start fresh
+_ = redis_cmd(h, 'DEL ' + key)
+
+// Set a couple of fields
+print(redis_cmd(h, 'HSET ' + key + ' name Alice'))
+print(redis_cmd(h, 'HSET ' + key + ' age 30'))
+
+// Fetch a single field
+print('HGET name -> ' + redis_cmd(h, 'HGET ' + key + ' name'))
+
+// Fetch all fields (returns a flat array [field, value, field, value, ...])
+all = redis_cmd(h, 'HGETALL ' + key)
+print('HGETALL ->')
+print(all)
+
+redis_close(h)