Added more exception handling after debugging ./examples/byte_for_demo.fun. (0.37.0)

examples/byte_for_demo.fun

@@ -1,5 +1,14 @@
 #!/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
+ */
+
 // Byte + for-loop demonstration
 
 print("=== byte with hex literal and clamping ===")
@@ -32,6 +41,11 @@ print(typeof(x))     // -> "String"
 
 /* Expected output:
 === byte with hex literal and clamping ===
+OverflowError: value out of range for uint8
+*/
+
+/* Expected output (OLD):
+=== byte with hex literal and clamping ===
 255
 255
 255

examples/byte_overflow_try_catch.fun

@@ -0,0 +1,41 @@
+#!/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: 2025-12-10
+ */
+
+// Demonstrate byte overflow with try/catch
+// Note: Runtime exceptions are not yet implemented; overflow emits an error and halts.
+// This example shows intended usage once exceptions are supported.
+
+print("=== byte overflow with try/catch demo ===")
+try
+  byte b = 0
+  print("assign 255 -> ok")
+  b = 255
+  print(b)
+  print("assign 256 -> should overflow and be caught")
+  b = 256           // will trigger OverflowError: value out of range for uint8
+  print("this line will not execute if overflow occurs")
+catch err
+  print("caught error:")
+  print(err)
+finally
+  print("finally block executed")
+
+/* Expected output:
+=== byte overflow with try/catch demo ===
+assign 255 -> ok
+255
+assign 256 -> should overflow and be caught
+caught error:
+OverflowError: value out of range for uint8
+finally block executed
+*/