From 473c934826bce0d0f1ffe207d570e91d70ac918b Mon Sep 17 00:00:00 2001
From: qicosmos <qicosmos@163.com>
Date: Mon, 10 Jul 2023 14:11:07 +0800
Subject: [PATCH] use memcpy

---
 benchmark/xml_benchmark.cpp | 1 +
 frozen/string.h             | 8 ++------
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/benchmark/xml_benchmark.cpp b/benchmark/xml_benchmark.cpp
index 7e5260e5..e5dd563a 100644
--- a/benchmark/xml_benchmark.cpp
+++ b/benchmark/xml_benchmark.cpp
@@ -1,5 +1,6 @@
 #include "../rapidxml/rapidxml.hpp"
 #include "xml_bench.hpp"
+#include <cstdio>
 
 class ScopedTimer {
 public:
diff --git a/frozen/string.h b/frozen/string.h
index ccdef751..bf44868c 100644
--- a/frozen/string.h
+++ b/frozen/string.h
@@ -28,6 +28,7 @@
 #include "frozen/bits/hash_string.h"
 #include "frozen/bits/version.h"
 
+#include <cstring>
 #include <functional>
 
 #ifdef FROZEN_LETITGO_HAS_STRING_VIEW
@@ -61,12 +62,7 @@ template <typename _CharT> class basic_string {
   constexpr chr_t operator[](std::size_t i) const { return data_[i]; }
 
   constexpr bool operator==(basic_string other) const {
-    if (size_ != other.size_)
-      return false;
-    for (std::size_t i = 0; i < size_; ++i)
-      if (data_[i] != other.data_[i])
-        return false;
-    return true;
+    return std::memcmp(data_, other.data_, size_) == 0;
   }
 
   constexpr bool operator<(const basic_string &other) const {