Writing more real program and squashing bugs

ccodegen.cpp

@@ -338,7 +338,7 @@ gen_ast(Ast *ast){
     }
 
     CASE(LAMBDA, Decl){
-      if(is_flag_set(node->flags, AST_FOREIGN)){
+      if(is_flag_set(node->expr->flags, AST_FOREIGN)){
         gen("/*foreign*/");
       }
       gen_lambda(node->name, node->lambda);
@@ -506,7 +506,8 @@ parse_files(Ast_Module *module){
 function void
 parse_all_modules(){
   parsing_time_begin = os_time();
-  For(pctx->modules){
+  for(S64 i = 0; i < pctx->modules.len; i++){
+    Ast_Module *it = pctx->modules[i];
     parse_files(it);
     it->implicit_imports.add(pctx->builtins);
   }