Generating nested structs

ccodegen.cpp

@@ -379,10 +379,12 @@ compile_string(String filecontent, String filename = "default_name"_s){
   sym_insert_builtins();
   pctx->resolving_package = result;
 
-  gen(R"==(//-------------------------------
+  gen(R"==(
+//-------------------------------
 #define NULL_POINTER 0
 #define NULL_LAMBDA  0
-//-------------------------------)==");
+//-------------------------------
+  )==");
 
   resolve_package(result);
   // eval_decl(result);