Refactored the directory structure in ./examples for Rust. No code changes. (0.39.16)

examples/rust/rust_hello_args.fun

@@ -0,0 +1,37 @@
+#!/usr/bin/env fun
+
+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2026 Johannes Findeisen <you@hanez.org>
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2026-01-28
+ */
+
+/*
+ * Rust-backed opcode demo with argument: rust_hello_args(STRING)
+ *
+ * Build instructions:
+ *   - Rust integration is optional. Enable via:
+ *       cmake -S . -B build_debug -DFUN_WITH_RUST=ON
+ *   - Then build:
+ *       cmake --build build_debug --target fun
+ *
+ * Run:
+ *   build_debug/fun examples/rust_hello_args.fun
+ *
+ * Expected output (with FUN_WITH_RUST=ON):
+ *   Hello from Fun to Rust!
+ *
+ * Note:
+ *   The opcode prints from Rust and returns Nil, so there's nothing to print afterwards.
+ */
+
+rust_hello_args("Hello from Fun to Rust!")
+
+/* Expected output:
+Hello from Fun to Rust!
+*/