feat: pick up bricks from hand

1 files changed, 1 insertions, 1 deletions

diff --git a/domino.h b/domino.h
index b08c332..e473776 100644
--- a/domino.h
+++ b/domino.h
@@ -4,7 +4,7 @@
 #define DOMINO_H
 
 struct eye {
-  int x,y,val;
+  size_t x,y,val;
 };
 
 struct brick {