From 7a2b7af5626f247a06bb4f01b6d943c8c2e174dd Mon Sep 17 00:00:00 2001
From: guoliang <648100535@qq.com>
Date: Fri, 10 Oct 2025 23:42:51 +0800
Subject: [PATCH] [fix] #4565 When using MSVC to compile v12.0.0, many
 compilation warnings are generated

---
 include/fmt/format.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/fmt/format.h b/include/fmt/format.h
index c3a1bda0..abab9681 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -2506,7 +2506,7 @@ FMT_CONSTEXPR20 auto write_fixed(OutputIt out, const DecimalFP& f,
     auto grouping = Grouping(loc, specs.localized());
     size += grouping.count_separators(exp);
     return write_padded<Char, align::right>(
-        out, specs, to_unsigned(size), [&](iterator it) {
+        out, specs, to_unsigned(static_cast<size_t>(size)), [&](iterator it) {
           if (s != sign::none) *it++ = detail::getsign<Char>(s);
           it = write_significand<Char>(it, f.significand, significand_size,
                                        f.exponent, grouping);