clean up board util methods

2021-10-07 13:21:46 -04:00 · 2021-10-07 13:21:46 -04:00 · 3a38ef2252
commit 3a38ef2252
parent dc117077af
1 changed files with 5 additions and 1 deletions
--- a/board.go
+++ b/board.go
@ -26,7 +26,11 @@ func (b *Board) GetRow(id int) []*Card {
 }

 func (b *Board) GetCard(id int, pos int) *Card {
-	return b.GetRow(id)[pos]
+	if pos >= 0 && pos <= 3 {
+		return b.GetRow(id)[pos]
+	} else {
+		return nil
+	}
 }

 func (b *Board) Remove(c *Card) {