Add std::move/std::forward replacement macros

Using the `CATCH_MOVE` and `CATCH_FORWARD` macros instead of the
`std::move` and `std::forward<T>` utility functions can improve
compilation times and debug build's performance, and thus will
be preferred going forward.

src/CMakeLists.txt

@@ -99,6 +99,7 @@ set(INTERNAL_HEADERS
     ${SOURCES_DIR}/catch_message.hpp
     ${SOURCES_DIR}/internal/catch_message_info.hpp
     ${SOURCES_DIR}/internal/catch_meta.hpp
+    ${SOURCES_DIR}/internal/catch_move_and_forward.hpp
     ${SOURCES_DIR}/internal/catch_option.hpp
     ${SOURCES_DIR}/internal/catch_output_redirect.hpp
     ${SOURCES_DIR}/internal/catch_platform.hpp

src/catch2/catch_all.hpp

@@ -72,6 +72,7 @@
 #include <catch2/internal/catch_list.hpp>
 #include <catch2/internal/catch_message_info.hpp>
 #include <catch2/internal/catch_meta.hpp>
+#include <catch2/internal/catch_move_and_forward.hpp>
 #include <catch2/internal/catch_noncopyable.hpp>
 #include <catch2/internal/catch_option.hpp>
 #include <catch2/internal/catch_output_redirect.hpp>

src/catch2/catch_section_info.hpp

@@ -8,6 +8,7 @@
 #ifndef CATCH_SECTION_INFO_HPP_INCLUDED
 #define CATCH_SECTION_INFO_HPP_INCLUDED
 
+#include <catch2/internal/catch_move_and_forward.hpp>
 #include <catch2/internal/catch_source_line_info.hpp>
 #include <catch2/internal/catch_stringref.hpp>
 #include <catch2/catch_totals.hpp>

src/catch2/internal/catch_move_and_forward.hpp

@@ -0,0 +1,19 @@
+
+//              Copyright Catch2 Authors
+// Distributed under the Boost Software License, Version 1.0.
+//   (See accompanying file LICENSE_1_0.txt or copy at
+//        https://www.boost.org/LICENSE_1_0.txt)
+
+// SPDX-License-Identifier: BSL-1.0
+#ifndef CATCH_MOVE_AND_FORWARD_HPP_INCLUDED
+#define CATCH_MOVE_AND_FORWARD_HPP_INCLUDED
+
+#include <type_traits>
+
+//! TODO: replaces std::move for better performance
+#define CATCH_MOVE(...) static_cast<std::remove_reference_t<decltype(__VA_ARGS__)>&&>(__VA_ARGS__)
+
+#define CATCH_FORWARD(...) static_cast<decltype(__VA_ARGS__)&&>(__VA_ARGS__)
+
+#endif // CATCH_MOVE_AND_FORWARD_HPP_INCLUDED
+