From 8a2410be326c8d9fe3a3c0256750f2bc8b57ce7d Mon Sep 17 00:00:00 2001
From: Ivan Kalinin <i.kalinin@dexpa.io>
Date: Sat, 12 Oct 2024 14:45:35 +0200
Subject: [PATCH] fix: fix an obviously incorrect level mask check

---
 src/cell/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cell/mod.rs b/src/cell/mod.rs
index 3f1a1ab7..eecf5aa7 100644
--- a/src/cell/mod.rs
+++ b/src/cell/mod.rs
@@ -1153,7 +1153,7 @@ impl LevelMask {
 
     /// Returns whether the specified level is included into the mask.
     pub const fn contains(self, level: u8) -> bool {
-        level == 0 || self.0 & LevelMask::from_level(level).0 != 0
+        level == 0 || self.0 & (1 << (level - 1)) != 0
     }
 
     /// Creates a new mask, shifted by the offset.