Missing package for Usage program

Added package for usage
1 year ago · 0c8d2b0fa7
1 changed files with 1 additions and 0 deletions
--- a/subjects/card_deck/README.md
+++ b/subjects/card_deck/README.md
@ -62,6 +62,7 @@ pub fn winner_card(card: &Card) -> bool {
 Here is a program to test your function

 ```rust
+use card_deck::*;
 fn main() {
 	let your_card = Card {
 		rank: Rank::random(),