update nlohmann::json to v3.11.1

external/json/include/nlohmann/detail/conversions/to_chars.hpp

@@ -1,3 +1,12 @@
+//     __ _____ _____ _____
+//  __|  |   __|     |   | |  JSON for Modern C++
+// |  |  |__   |  |  | | | |  version 3.11.1
+// |_____|_____|_____|_|___|  https://github.com/nlohmann/json
+//
+// SPDX-FileCopyrightText: 2009 Florian Loitsch <https://florian.loitsch.com/>
+// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann <https://nlohmann.me>
+// SPDX-License-Identifier: MIT
+
 #pragma once
 
 #include <array> // array
@@ -9,8 +18,7 @@
 
 #include <nlohmann/detail/macro_scope.hpp>
 
-namespace nlohmann
-{
+NLOHMANN_JSON_NAMESPACE_BEGIN
 namespace detail
 {
 
@@ -891,7 +899,7 @@ void grisu2(char* buf, int& len, int& decimal_exponent, FloatType value)
     //
     // The documentation for 'std::to_chars' (https://en.cppreference.com/w/cpp/utility/to_chars)
     // says "value is converted to a string as if by std::sprintf in the default ("C") locale"
-    // and since sprintf promotes float's to double's, I think this is exactly what 'std::to_chars'
+    // and since sprintf promotes floats to doubles, I think this is exactly what 'std::to_chars'
     // does.
     // On the other hand, the documentation for 'std::to_chars' requires that "parsing the
     // representation using the corresponding std::from_chars function recovers value exactly". That
@@ -1039,7 +1047,7 @@ inline char* format_buffer(char* buf, int len, int decimal_exponent,
     return append_exponent(buf, n - 1);
 }
 
-} // namespace dtoa_impl
+}  // namespace dtoa_impl
 
 /*!
 @brief generates a decimal representation of the floating-point number value in [first, last).
@@ -1106,5 +1114,5 @@ char* to_chars(char* first, const char* last, FloatType value)
     return dtoa_impl::format_buffer(first, len, decimal_exponent, kMinExp, kMaxExp);
 }
 
-} // namespace detail
-} // namespace nlohmann
+}  // namespace detail
+NLOHMANN_JSON_NAMESPACE_END