1 files changed, 5 insertions, 2 deletions
diff --git a/inc/term.h b/inc/term.h
index e750beb..9c7dbc9 100644
--- a/inc/term.h
+++ b/inc/term.h
@@ -1,20 +1,23 @@
 #ifndef TERM_H
 #define TERM_H
 
-typedef int bruijn;
 typedef enum { INV, ABS, APP, VAR } term_type;
 
 struct term {
 	term_type type;
 	union {
 		struct {
+			int name;
 			struct term *term;
 		} abs;
 		struct {
 			struct term *lhs;
 			struct term *rhs;
 		} app;
-		bruijn var;
+		struct {
+			int name;
+			enum { BRUIJN_INDEX, BARENDREGT_VARIABLE } type;
+		} var;
 	} u;
 };