Added nested functions to the Fun parser. (0.40.0)

examples/functions_test.fun

@@ -1,73 +0,0 @@
-#!/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
- */
-
-/*
- * Function Definition Testing
- *
- * Covers:
- * - Basic function syntax (`def`)
- * - Handling multiple parameter types
- * - Function return value testing
- * - Function composition examples
- */
-
-// Functions test: definitions, calls, parameters, locals, returns, and if/else.
-
-print("=== Functions test start ===")
-
-fun add(a, b)
-  return a + b
-
-fun abs(x)
-  if (x < 0)
-    return -x
-  else
-    return x
-
-fun sum3(a, b, c)
-  // local typed declaration
-  number t = a + b
-  return t + c
-
-fun id(x)
-  return x
-
-// Calls in expressions
-print(add(2, 3))             // expect 5
-print(add(10, -3))           // expect 7
-print(abs(-7))               // expect 7
-print(abs(4))                // expect 4
-print(sum3(1, 2, 3))         // expect 6
-print(add(add(1, 2), 3))     // expect 6
-print(id(42))                // expect 42
-
-// Call as statement (result dApache-2.0arded)
-add(100, 23)
-
-// Globals interacting with functions
-number n = 5
-print(add(n, 10))            // expect 15
-
-print("=== Functions test end ===")
-
-/* Expected output:
-=== Functions test start ===
-5
-7
-7
-4
-6
-6
-42
-15
-=== Functions test end ===
-*/
-