Added thirdparty: boost library

thirdparty/include/boost/json/serialize_options.hpp

@@ -0,0 +1,70 @@
+//
+// Copyright (c) 2023 Dmitry Arkhipov (grisumbras@yandex.ru)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// Official repository: https://github.com/boostorg/json
+//
+
+#ifndef BOOST_JSON_SERIALIZE_OPTIONS_HPP
+#define BOOST_JSON_SERIALIZE_OPTIONS_HPP
+
+#include <boost/json/detail/config.hpp>
+#include <iosfwd>
+
+namespace boost {
+namespace json {
+
+/** Serialize options
+
+    This structure is used for specifying whether to allow non-standard
+    extensions. Default-constructed options specify that only standard JSON is
+    produced.
+
+    @see
+        @ref serialize,
+        @ref serializer.
+*/
+struct serialize_options
+{
+    /** Non-standard extension option
+
+        Output `Infinity`, `-Infinity` and `NaN` for positive infinity,
+        negative infinity, and "not a number" doubles.
+
+        @see
+            @ref serialize,
+            @ref serializer.
+    */
+    bool allow_infinity_and_nan = false;
+
+    /** Set JSON serialization options on input stream.
+        The function stores serialization options in the private storage of the
+        stream. If the stream fails to allocate necessary private storage,
+        `badbit` will be set on it.
+
+        @return Reference to `os`.
+
+        @par Complexity
+        Amortized constant (due to potential memory allocation by the stream).
+
+        @par Exception Safety
+        Strong guarantee.
+        The stream may throw as configured by
+        [`std::ios::exceptions`](https://en.cppreference.com/w/cpp/io/basic_ios/exceptions).
+
+        @param os The output stream.
+
+        @param opts The options to store.
+    */
+    BOOST_JSON_DECL
+    friend
+    std::ostream&
+    operator<<( std::ostream& os, serialize_options const& opts );
+};
+
+} // namespace json
+} // namespace boost
+
+#endif // BOOST_JSON_SERIALIZE_OPTIONS_HPP