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- 551e205ef49682a1cb7e6e0cda46957fbcf88edd Release absl::variant. by Xiaoyi Zhang <zhangxy@google.com>

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- 01c52f640594d073c6e54c47e7853b25522cf085 Update comments in absl::variant (and minor changes to ab... by Tom Manshreck <shreck@google.com>
  - 064465e1e6b158abd8c38fd1942b4fc464b57d6a Documentation change. by Abseil Team <absl-team@google.com>
  - 58df2c8a27e80c9ea21d87c1acee8019246377c9 Relocates SetCountdown and UnsetCountdown to the exceptio... by Abseil Team <absl-team@google.com>
  - fd9d248d0948d472f2543f7fd9c0ae4a1cd60d01 Clarify thread_annotation.h documentation around local va... by Abseil Team <absl-team@google.com>
  - 0d0abaf7f0945ac5f2c5f49e78afe1b326d5aca0 Typo fix in comments. by Abseil Team <absl-team@google.com>
  - 67286d587cbd07508a81e5b8147c245a5b5538b4 Internal change. by Xiaoyi Zhang <zhangxy@google.com>

GitOrigin-RevId: 551e205ef49682a1cb7e6e0cda46957fbcf88edd
Change-Id: I1a343b080187293cb5f892a309618b5712e7aa14
This commit is contained in:
Abseil Team 2018-04-20 09:16:52 -07:00 • committed by Jon Cohen
parent 5b53540166
commit faf0a1b903
19 changed files with 5172 additions and 52 deletions
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24
absl/base/config.h
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@ -382,6 +382,19 @@
#endif
#endif
// ABSL_HAVE_STD_VARIANT
//
// Checks whether C++17 std::optional is available.
#ifdef ABSL_HAVE_STD_VARIANT
#error "ABSL_HAVE_STD_VARIANT cannot be directly set."
#endif
#ifdef __has_include
#if __has_include(<variant>) && __cplusplus >= 201703L
#define ABSL_HAVE_STD_VARIANT 1
#endif
#endif
// ABSL_HAVE_STD_STRING_VIEW
//
// Checks whether C++17 std::string_view is available.
@ -396,17 +409,18 @@
#endif
// For MSVC, `__has_include` is supported in VS 2017 15.3, which is later than
// the support for <optional>, <any>, <string_view>. So we use _MSC_VER to check
// whether we have VS 2017 RTM (when <optional>, <any>, <string_view> is
// implemented) or higher.
// Also, `__cplusplus` is not correctly set by MSVC, so we use `_MSVC_LANG` to
// check the language version.
// the support for <optional>, <any>, <string_view>, <variant>. So we use
// _MSC_VER to check whether we have VS 2017 RTM (when <optional>, <any>,
// <string_view>, <variant> is implemented) or higher. Also, `__cplusplus` is
// not correctly set by MSVC, so we use `_MSVC_LANG` to check the language
// version.
// TODO(zhangxy): fix tests before enabling aliasing for `std::any`,
// `std::string_view`.
#if defined(_MSC_VER) && _MSC_VER >= 1910 && \
((defined(_MSVC_LANG) && _MSVC_LANG > 201402) || __cplusplus > 201402)
// #define ABSL_HAVE_STD_ANY 1
#define ABSL_HAVE_STD_OPTIONAL 1
#define ABSL_HAVE_STD_VARIANT 1
// #define ABSL_HAVE_STD_STRING_VIEW 1
#endif