Data update

Task/Scope-Function-names-and-labels/EasyLang/scope-function-names-and-labels.easy

@@ -0,0 +1,13 @@
+# function names are global, the must be
+# implemented or declared before usage
+#
+func foo1 a .
+   return a + 1
+.
+print foo1 2
+#
+funcdecl foo2 a .
+print foo2 2
+func foo2 a .
+   return a + 2
+.

Task/Scope-Function-names-and-labels/Wren/scope-function-names-and-labels.wren

@@ -1,4 +1,4 @@
-//func.call() /* invalid, can't call func before its declared */
+// func.call() /* invalid, can't call func before its defined */
 
 var func = Fn.new { System.print("func has been called.") }
 
@@ -7,8 +7,17 @@ func.call() // fine
 //C.init() /* not OK, as C is null at this point */
 
 class C {
-    static init()   { method() } // fine even though 'method' not yet declared
+    static init()   { method() } // fine even though 'method' not yet defined
     static method() { System.print("method has been called.") }
 }
 
 C.init() // fine
+
+/* Although this function is recursive, there is no need for a forward
+   declaration as it is top-level and begins with a capital letter. */
+var Fib = Fn.new { |n|
+    if (n < 2) return n
+    return Fib.call(n-1) + Fib.call(n-2) // Fib already visible here
+}
+
+System.print(Fib.call(8)) // fine