1 files changed, 9 insertions, 0 deletions

diff --git a/src/nodes.h b/src/nodes.h
index acbe19e..853495a 100644
--- a/src/nodes.h
+++ b/src/nodes.h
@@ -15,11 +15,20 @@ typedef enum NodeType {
     NODE_IF,
 } NodeType;
 
+typedef enum TypeClass {
+    TYPE_UNK,
+    TYPE_NONE,
+    TYPE_NUM,
+    TYPE_BOOL,
+    TYPE_STRING,
+} TypeClass;
+
 typedef struct Node {
     NodeType type;
     size_t line;
     size_t col;
     struct Scope *scope;
+    TypeClass type_class;
 
     union {
         // Numbers.