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| author | Steven Le Rouzic <steven.lerouzic@gmail.com> | 2024-09-04 00:11:04 +0200 |
|---|---|---|
| committer | Steven Le Rouzic <steven.lerouzic@gmail.com> | 2024-09-04 00:11:04 +0200 |
| commit | aa427cb5fe7564a85703f14f76f854419274decc (patch) | |
| tree | 8395e90d6ce25f8044fb5d2a1a21eecb6e80ed08 /asl/utility.hpp | |
| parent | f0a94256e25c844ca2ff99377bc8b2fb94f69e84 (diff) | |
Bleh
Diffstat (limited to 'asl/utility.hpp')
| -rw-r--r-- | asl/utility.hpp | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/asl/utility.hpp b/asl/utility.hpp index a94834d..6cbff8e 100644 --- a/asl/utility.hpp +++ b/asl/utility.hpp @@ -1,12 +1,20 @@ #pragma once
-#ifndef __clang__
- #error Not a valid environment
-#endif
+#include "asl/meta.hpp"
-#ifdef _MSC_VER
- #define ASL_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]]
-#else
- #define ASL_NO_UNIQUE_ADDRESS [[no_unique_address]]
-#endif
+#define ASL_MOVE(expr_) (static_cast<::asl::un_ref_t<decltype(expr_)>&&>(expr_))
+#define ASL_FWD(expr_) (static_cast<decltype(expr_)&&>(expr_))
+
+namespace asl
+{
+
+template<typename T, typename U>
+T exchange(T& obj, U&& new_value)
+{
+ T old_value = ASL_MOVE(obj);
+ obj = ASL_FORWARD(new_value);
+ return old_value;
+}
+
+} // namespace asl
|