From 53e3fe03eb5ec7c70a6dfd28c1a0370dba4fb953 Mon Sep 17 00:00:00 2001
From: Jacob <cmpute@qq.com>
Date: Mon, 6 May 2024 23:54:42 +0800
Subject: [PATCH] Change expect() to unwrap()

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

diff --git a/src/buffer.rs b/src/buffer.rs
index b0716bd..5760f85 100644
--- a/src/buffer.rs
+++ b/src/buffer.rs
@@ -455,7 +455,7 @@ impl NaiveBuffer {
         let b = self.prime_pi(b);
         let c = self.prime_pi(c);
 
-        let cache_cap = NonZeroUsize::new(if a != 0 { a as usize } else { 1 }).expect("Always > 0");
+        let cache_cap = NonZeroUsize::new(a as usize).unwrap(); // a > 0 because limit > THRESHOLD_PRIME_PI_SIEVE
         let mut phi_cache = LruCache::new(cache_cap);
         let mut sum =
             self.prime_phi(limit, a as usize, &mut phi_cache) + (b + a - 2) * (b - a + 1) / 2;