From 47bb6c171e88fef99e4d5fda004dac0837287a85 Mon Sep 17 00:00:00 2001
From: Aryadev Chavali <aryadev@aryadevchavali.com>
Date: Fri, 3 Apr 2026 05:35:59 +0100
Subject: [PATCH] card: make_decks yields an iterator instead of a vector

---
 src/card.rs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/card.rs b/src/card.rs
index b29de69..aa2ce9d 100644
--- a/src/card.rs
+++ b/src/card.rs
@@ -131,11 +131,9 @@ pub fn all_same_rank(cards: &[PlayingCard]) -> bool {
 
 Note that each deck gets two jokers - this is added to the overall vector.
  */
-pub fn make_decks(number_of_decks: usize) -> Vec<Card> {
+pub fn make_decks(number_of_decks: usize) -> impl Iterator<Item = Card> {
     let number_of_decks: i64 = number_of_decks.try_into().unwrap();
-    (-(number_of_decks * 2)..(52 * number_of_decks))
-        .map(Card::from)
-        .collect::<Vec<_>>()
+    (-(number_of_decks * 2)..(52 * number_of_decks)).map(Card::from)
 }
 
 mod trait_display {