Use `enum tokenkind` for op in struct expr

1 files changed, 3 insertions, 3 deletions

diff --git a/cc.h b/cc.h
index ba7e79e..20295f6 100644
--- a/cc.h
+++ b/cc.h
@@ -402,19 +402,19 @@ struct expr {
 			struct init *init;
 		} compound;
 		struct {
-			int op;
+			enum tokenkind op;
 			_Bool post;
 			struct expr *base;
 		} incdec;
 		struct {
-			int op;
+			enum tokenkind op;
 			struct expr *base;
 		} unary;
 		struct {
 			struct expr *e;
 		} cast;
 		struct {
-			int op;
+			enum tokenkind op;
 			struct expr *l, *r;
 		} binary;
 		struct {