minor

1 files changed, 7 insertions, 3 deletions

diff --git a/ast.c b/ast.c
index 07c0f34..94c0a66 100644
--- a/ast.c
+++ b/ast.c
@@ -2,6 +2,7 @@
 #include <stdlib.h>
 #include <stddef.h>
 #include <stdio.h>
+#include <assert.h>
 
 AstVec astvec_new() {
 	AstNode *vals = malloc(2 * sizeof(AstNode));
@@ -23,6 +24,12 @@ void astvec_append(AstVec *v, AstNode val) {
 	v->len ++;
 }
 
+void astnode_append(AstNode *l, AstNode val) {
+	printf("   astnode_append: %d\n",l->ty);
+	assert(l->ty == AST_LIST);
+	astvec_append(&l->as.list, val);
+}
+
 AstNode astnode_new_num(int n) {
 	return (AstNode){
 		.ty = AST_NUM,
@@ -41,6 +48,3 @@ AstNode astnode_new_list() {
 	};
 }
 
-
-
-