diff options
| author |  Abseil Team <absl-team@google.com> | 2022-04-06 10:44:58 -0700 |
|---|---|---|
| committer |  dinord <dino.radakovich@gmail.com> | 2022-04-07 15:42:56 -0400 |
| commit | e854df09dfcb35056c1d42420028648ee0ebebaf (patch) | |
| tree | 27d742dadffa404422135db8f455396e47b9a801 /absl | |
| parent | 9fed77a6fea29b8c8468bd41c6259c7f67163a65 (diff) | |
Export of internal Abseil changes
--
0c8848ebedc07470c7ab647a5bb8949481540ce9 by Dino Radakovic <dinor@google.com>:
Define absl::base_internal::invoke using std::invoke when C++ >= 17
PiperOrigin-RevId: 439880834
Change-Id: I3622fcf473501d54c57575118a11d54c19573446
GitOrigin-RevId: 0c8848ebedc07470c7ab647a5bb8949481540ce9
Diffstat (limited to 'absl')
| -rw-r--r-- | absl/base/internal/invoke.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/absl/base/internal/invoke.h b/absl/base/internal/invoke.h index 5c71f328..e9efb2fc 100644 --- a/absl/base/internal/invoke.h +++ b/absl/base/internal/invoke.h @@ -14,6 +14,8 @@ // // absl::base_internal::invoke(f, args...) is an implementation of // INVOKE(f, args...) from section [func.require] of the C++ standard. +// When compiled as C++17 and later versions, it is implemented as an alias of +// std::invoke. // // [func.require] // Define INVOKE (f, t1, t2, ..., tN) as follows: @@ -35,6 +37,25 @@ #ifndef ABSL_BASE_INTERNAL_INVOKE_H_ #define ABSL_BASE_INTERNAL_INVOKE_H_ +#include "absl/base/config.h" + +#if __cplusplus >= 201703L || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) + +#include <functional> + +namespace absl { +ABSL_NAMESPACE_BEGIN +namespace base_internal { + +using std::invoke; +using std::invoke_result_t; + +} // namespace base_internal +ABSL_NAMESPACE_END +} // namespace absl + +#else // __cplusplus >= 201703L + #include <algorithm> #include <type_traits> #include <utility> @@ -184,4 +205,6 @@ invoke_result_t<F, Args...> invoke(F&& f, Args&&... args) { ABSL_NAMESPACE_END } // namespace absl +#endif // __cplusplus >= 201703L + #endif // ABSL_BASE_INTERNAL_INVOKE_H_ |