Removing polymorph from test

base_data_structures.cpp

@@ -485,6 +485,7 @@ int length(List<T> *list) {
 
 template <class T>
 void free_all_nodes(List<T> *list) {
+    if (list->first == 0) return;
     assert(!list->last->next);
     assert(!list->first->prev);
     list->last->next = list->first_free;

core_polymorph.cpp

@@ -43,7 +43,7 @@ void next(Ast_Iter *iter) {
             For(node->decls) iter->stack.add(it);
         } break;
 
-        case AST_MODULE: invalid_codepath; break;
+        case AST_MODULE: break; // This happens when we import stuff
         case AST_FILE: invalid_codepath; break;
 
         case AST_IDENT:
@@ -200,8 +200,7 @@ void next(Ast_Iter *iter) {
         case AST_LAMBDA_EXPR: {
             Ast_Lambda *node = (Ast_Lambda *)ast;
             iter->stack.add(node);
-            iter->stack.add(node->scope);
-            assert(node->scope);
+            if (node->scope) iter->stack.add(node->scope);
             For(node->ret) iter->stack.add(it);
             For(node->args) iter->stack.add(it);
         } break;

core_typechecking.cpp

@@ -938,6 +938,13 @@ try_resolving_lambda_scope(Operand *op, Ast_Lambda *lambda, Ast_Type *lambda_typ
         }
 
         *op = operand_lambda(lambda_type);
+
+        //
+        // We remove all declarations to cleanup the scope
+        // for iteration
+        //
+        // If I want to implement :NestedDeclarations
+        // then probably this will need to get reverted
         free_all_nodes(&lambda->scope->decls);
     }
     else if (is_flag_set(lambda->flags, AST_FOREIGN)) {

examples/_polymorphism.core

@@ -25,6 +25,6 @@ Array :: struct($T: Type)
 	cap: int
 
 main :: (argc: int, argv: **char): int
-	array: Array(int)
+	// array: Array(int)
 
 	return 0