From 618ebb4d501664dc6f97dc52980859500a5028fb Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <me@steffo.eu>
Date: Mon, 3 Jul 2023 03:07:42 +0200
Subject: [PATCH] Replace `filter` for `Some` followed by `unwrap` with
 `flatten`

---
 src/data/deckcode/deck.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/data/deckcode/deck.rs b/src/data/deckcode/deck.rs
index ddca13a..6ff968e 100644
--- a/src/data/deckcode/deck.rs
+++ b/src/data/deckcode/deck.rs
@@ -521,8 +521,7 @@ impl Deck {
     pub fn cards_are_allowed_in(&self, cards: &CardIndex, format: CardFormat) -> bool {
         self.contents.keys()
             .map(|cc| cc.to_card(&cards))
-            .filter(|o| o.is_some())
-            .map(|o| o.unwrap())
+            .flatten()
             .all(|c| c.formats.contains(&format))
     }