implementing garbage collection (ch26)

samples/ch24_fib.lox

@@ -1,9 +1,5 @@
-fun fib(n) {
-    if (n < 2) return n;
-    return fib(n - 2) + fib(n - 1);
-}
 
 var start = clock();
 
-print fib(20);
+// print fib(20);
 print clock() - start;

samples/ch26_gc.lox

@@ -0,0 +1,16 @@
+fun blah() {
+    var c = "ha" + "ha";
+
+    for(var i = 0; i < 100; i = i + 1) {
+        // var d = "ha" + num2str(i);
+        // print d;
+    }
+
+    return "hiii";
+}
+
+var a = blah();
+
+a = "updated";
+// GC here.
+print a;