Implement loopBlock

src/main.rs

@@ -191,11 +191,11 @@ fn instruct(statement: Pair<Rule>, state: &mut State, out: &mut Builder) {
         }
         Rule::loopBlockStart => {
             println!("Start of loopBlock");
-            out.append("loopBlockStart\n");
+            out.append("[");
         }
         Rule::loopBlockEnd => {
             println!("End of loopBlock");
-            out.append("loopBlockEnd\n");
+            out.append("]");
         }
         Rule::EOI => {
             println!("End of Input");