From 920163baee4b1dee3587370e079aa37eac0ed354 Mon Sep 17 00:00:00 2001
From: Nepomuk Crhonek <105591323+Nepomuk5665@users.noreply.github.com>
Date: Fri, 23 Jan 2026 12:03:05 +0100
Subject: [PATCH] fix: handle empty collection in binarySearch to prevent crash

---
 Sources/TSFCASFileTree/BinarySearch.swift | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Sources/TSFCASFileTree/BinarySearch.swift b/Sources/TSFCASFileTree/BinarySearch.swift
index 91c61b3..083abcb 100644
--- a/Sources/TSFCASFileTree/BinarySearch.swift
+++ b/Sources/TSFCASFileTree/BinarySearch.swift
@@ -12,6 +12,7 @@ extension LLBCASFileTree {
     public static func binarySearch<C: RandomAccessCollection>(
         _ elements: C, _ compare: (C.Element) -> Int
     ) -> C.Index? {
+        guard !elements.isEmpty else { return nil }
         var lo: C.Index = elements.startIndex
         var hi: C.Index = elements.index(before: elements.endIndex)