From dbb95273c073ab548a90bacd19fd82bc44936341 Mon Sep 17 00:00:00 2001
From: Michal Hruby <michal.mhr@gmail.com>
Date: Sun, 29 Oct 2023 01:20:19 +0100
Subject: [PATCH] speed up NextClear

---
 bitset.go | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/bitset.go b/bitset.go
index 039045b..642cba6 100644
--- a/bitset.go
+++ b/bitset.go
@@ -441,7 +441,7 @@ func (b *BitSet) NextSet(i uint) (uint, bool) {
 		if b.set[x] != 0 {
 			return uint(x)*wordSize + trailingZeroes64(b.set[x]), true
 		}
-		x = x + 1
+		x++
 
 	}
 	return 0, false
@@ -530,9 +530,11 @@ func (b *BitSet) NextClear(i uint) (uint, bool) {
 		return 0, false
 	}
 	for x < len(b.set) {
-		index = uint(x)*wordSize + trailingZeroes64(^b.set[x])
-		if b.set[x] != allBits && index < b.length {
-			return index, true
+		if b.set[x] != allBits {
+			index = uint(x)*wordSize + trailingZeroes64(^b.set[x])
+			if index < b.length {
+				return index, true
+			}
 		}
 		x++
 	}