1 files changed, 2 insertions, 1 deletions
diff --git a/ast.h b/ast.h
index b3e9d75..b1569c4 100644
--- a/ast.h
+++ b/ast.h
@@ -8,8 +8,8 @@ typedef enum {
 	AST_LIST,
 	AST_NUM,
 	AST_SYMBOL,
+	AST_STRING,
 } AstTy;
-#define AST_TY_LAST AST_SYMBOL+1
 
 struct _astnode;
 typedef struct _astnode AstNode;
@@ -37,6 +37,7 @@ void astnode_append(AstNode *l, AstNode val);
 AstNode astnode_new_num(int n);
 AstNode astnode_new_list();
 AstNode astnode_new_symbol(char *s);
+AstNode astnode_new_string(char *s);
 
 void astnode_disp(AstNode *a);