From b4cd7e8ea9ef2de46c8b061047d378ece21fd313 Mon Sep 17 00:00:00 2001
From: Aryadev Chavali <aryadev@aryadevchavali.com>
Date: Tue, 7 Apr 2026 01:55:14 +0100
Subject: [PATCH] card:default: implemented defaults for every card type

---
 src/card/default.rs | 25 +++++++++++++++++++++++++
 src/card/mod.rs     |  8 +-------
 2 files changed, 26 insertions(+), 7 deletions(-)
 create mode 100644 src/card/default.rs

diff --git a/src/card/default.rs b/src/card/default.rs
new file mode 100644
index 0000000..6b4a519
--- /dev/null
+++ b/src/card/default.rs
@@ -0,0 +1,25 @@
+use crate::card::{Card, PlayingCard, Rank, Suit};
+
+impl Default for Rank {
+    fn default() -> Self {
+        Self::Three
+    }
+}
+
+impl Default for Suit {
+    fn default() -> Self {
+        Self::Diamond
+    }
+}
+
+impl Default for PlayingCard {
+    fn default() -> Self {
+        Self::new(0, Rank::default(), Suit::default())
+    }
+}
+
+impl Default for Card {
+    fn default() -> Self {
+        Self::PlayingCard(PlayingCard::default())
+    }
+}
diff --git a/src/card/mod.rs b/src/card/mod.rs
index 4f99568..d4c0ba4 100644
--- a/src/card/mod.rs
+++ b/src/card/mod.rs
@@ -1,3 +1,4 @@
+mod default;
 mod display;
 mod hash;
 mod impls;
@@ -41,10 +42,3 @@ pub enum Card {
     Joker(i64),
     PlayingCard(PlayingCard),
 }
-
-/** Given a sequence of Playing Cards, check if they are all of the same rank.
- */
-pub fn all_same_rank(cards: &[PlayingCard]) -> bool {
-    let rank = cards[0].rank;
-    cards[1..].iter().all(|card| rank == card.rank)
-}