From beb248b6ac4d366783305a25af47d52b03181cf8 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Wed, 11 Nov 2020 06:03:19 -0800
Subject: [PATCH] Optimize handling of large format strings

---
 include/fmt/format.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/fmt/format.h b/include/fmt/format.h
index 9970444c..5a59f0b9 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -3070,9 +3070,7 @@ struct format_handler : detail::error_handler {
   void on_text(const Char* begin, const Char* end) {
     auto size = to_unsigned(end - begin);
     auto out = context.out();
-    auto&& it = reserve(out, size);
-    it = std::copy_n(begin, size, it);
-    context.advance_to(out);
+    context.advance_to(write<Char>(out, basic_string_view<Char>(begin, size)));
   }
 
   int on_arg_id() { return parse_context.next_arg_id(); }