From bfc8293304cde8c7945239a3b5af6a8f0d559416 Mon Sep 17 00:00:00 2001
From: Yingchi Long <i@lyc.dev>
Date: Tue, 25 Jun 2024 18:40:20 +0800
Subject: [PATCH] algorithm: remove `index` from bisect

---
 src/algorithm/index.ts | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/algorithm/index.ts b/src/algorithm/index.ts
index cd30000..53f0983 100644
--- a/src/algorithm/index.ts
+++ b/src/algorithm/index.ts
@@ -29,22 +29,19 @@ export async function autoBisect(
     end: number,
     check: (
         begin: number,
-        end: number,
-        index: number
+        end: number
     ) => Promise<boolean>) {
 
     // Try to find the first index where check() predicates to true.
     // Assume check() is true at first, for range [begin, end)
-    let index = 0;
     while (end - begin > 1) {
         const mid = Math.floor((end - begin) / 2) + begin;
-        if (await check(begin, mid, index)) {
+        if (await check(begin, mid)) {
             // Shrink half range.
             end = mid;
         } else {
             begin = mid;
         }
-        index++;
     }
 
     return begin;