Export of internal Abseil changes.
-- 7672429b51fa4edc9e2386f3d6ead89a33e523c0 by Xiaoyi Zhang <zhangxy@google.com>: Work around a bug in MSVC 2015 which causes compiler error when building variant_test with inline namespace for the LTS release. The bug is reduced to https://godbolt.org/g/hvqDVz. PiperOrigin-RevId: 201343049 -- dfe4f3869aa4b70dda69631816103e7b2c53c593 by Shaindel Schwartz <shaindel@google.com>: Update date for LTS branch. PiperOrigin-RevId: 201335133 -- 9a8f41ddd0c75d5d2746141f61ba5736cfbde494 by Abseil Team <absl-team@google.com>: Update bazel_toolchains to the latest commit. PiperOrigin-RevId: 201231595 -- f6d5d5d08e638424073d0bc31bb4ed4d1ef512e2 by Tom Manshreck <shreck@google.com>: Fix LTS wording, move to top level PiperOrigin-RevId: 201054433 GitOrigin-RevId: 7672429b51fa4edc9e2386f3d6ead89a33e523c0 Change-Id: Id63a986870993889258f6364634a7880d226d187
This commit is contained in:
Abseil Team
Shaindel Schwartz
parent
bd40a41cc1
commit
d89dba27e3
4 changed files with 29 additions and 36 deletions
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@ -4,10 +4,10 @@ This repository contains periodic snapshots of the Abseil codebase that are
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Long Term Support (LTS) branches. An LTS branch allows you to use a known
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version of Abseil without interfering with other projects which may also, in
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turn, use Abseil. (For more information about our releases, see the
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[Abseil Release Management](https://abseil.io/about/releases) guide.
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[Abseil Release Management](https://abseil.io/about/releases) guide.)
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## LTS Branches
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The following lists LTS branches and the date they have been released:
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The following lists LTS branches and the dates on which they have been released:
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* [LTS Branch June 18, 2018](https://github.com/abseil/abseil-cpp/tree/lts_2018_06_18/)
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* [LTS Branch June 20, 2018](https://github.com/abseil/abseil-cpp/tree/lts_2018_06_20/)
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@ -3,11 +3,11 @@ workspace(name = "com_google_absl")
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http_archive(
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name = "bazel_toolchains",
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urls = [
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"https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/archive/2cec6c9f6d12224e93d9b3f337b24e41602de3ba.tar.gz",
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"https://github.com/bazelbuild/bazel-toolchains/archive/2cec6c9f6d12224e93d9b3f337b24e41602de3ba.tar.gz",
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"https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/archive/287b64e0a211fb7c23b74695f8d5f5205b61f4eb.tar.gz",
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"https://github.com/bazelbuild/bazel-toolchains/archive/287b64e0a211fb7c23b74695f8d5f5205b61f4eb.tar.gz",
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],
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strip_prefix = "bazel-toolchains-2cec6c9f6d12224e93d9b3f337b24e41602de3ba",
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sha256 = "9b8d85b61d8945422e86ac31e4d4d2d967542c080d1da1b45364da7fd6bdd638",
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strip_prefix = "bazel-toolchains-287b64e0a211fb7c23b74695f8d5f5205b61f4eb",
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sha256 = "aca8ac6afd7745027ee4a43032b51a725a61a75a30f02cc58681ee87e4dcdf4b",
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)
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# GoogleTest/GoogleMock framework. Used by most unit-tests.
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@ -1100,49 +1100,40 @@ using EqualResult = decltype(std::declval<T>() == std::declval<T>());
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template <class T>
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using NotEqualResult = decltype(std::declval<T>() != std::declval<T>());
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template <class T>
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using HasLessThan = is_detected_convertible<bool, LessThanResult, T>;
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template <class T>
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using HasGreaterThan = is_detected_convertible<bool, GreaterThanResult, T>;
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template <class T>
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using HasLessThanOrEqual =
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is_detected_convertible<bool, LessThanOrEqualResult, T>;
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template <class T>
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using HasGreaterThanOrEqual =
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is_detected_convertible<bool, GreaterThanOrEqualResult, T>;
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template <class T>
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using HasEqual = is_detected_convertible<bool, EqualResult, T>;
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template <class T>
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using HasNotEqual = is_detected_convertible<bool, NotEqualResult, T>;
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template <class... T>
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using RequireAllHaveEqualT =
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absl::enable_if_t<absl::conjunction<HasEqual<T>...>::value, bool>;
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using RequireAllHaveEqualT = absl::enable_if_t<
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absl::conjunction<is_detected_convertible<bool, EqualResult, T>...>::value,
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bool>;
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template <class... T>
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using RequireAllHaveNotEqualT =
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absl::enable_if_t<absl::conjunction<HasEqual<T>...>::value, bool>;
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absl::enable_if_t<absl::conjunction<is_detected_convertible<
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bool, NotEqualResult, T>...>::value,
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bool>;
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template <class... T>
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using RequireAllHaveLessThanT =
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absl::enable_if_t<absl::conjunction<HasLessThan<T>...>::value, bool>;
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absl::enable_if_t<absl::conjunction<is_detected_convertible<
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bool, LessThanResult, T>...>::value,
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bool>;
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template <class... T>
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using RequireAllHaveLessThanOrEqualT =
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absl::enable_if_t<absl::conjunction<HasLessThan<T>...>::value, bool>;
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absl::enable_if_t<absl::conjunction<is_detected_convertible<
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bool, LessThanOrEqualResult, T>...>::value,
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bool>;
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template <class... T>
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using RequireAllHaveGreaterThanOrEqualT =
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absl::enable_if_t<absl::conjunction<HasLessThan<T>...>::value, bool>;
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absl::enable_if_t<absl::conjunction<is_detected_convertible<
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bool, GreaterThanOrEqualResult, T>...>::value,
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bool>;
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template <class... T>
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using RequireAllHaveGreaterThanT =
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absl::enable_if_t<absl::conjunction<HasLessThan<T>...>::value, bool>;
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absl::enable_if_t<absl::conjunction<is_detected_convertible<
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bool, GreaterThanResult, T>...>::value,
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bool>;
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// Helper template containing implementations details of variant that can't go
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// in the private section. For convenience, this takes the variant type as a
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@ -445,9 +445,11 @@ constexpr bool operator!=(monostate, monostate) noexcept { return false; }
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//------------------------------------------------------------------------------
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template <typename T0, typename... Tn>
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class variant<T0, Tn...> : private variant_internal::VariantBase<T0, Tn...> {
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// Intentionally not qualifing `negation` with `absl::` to work around a bug
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// in MSVC 2015 with inline namespace and variadic template.
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static_assert(absl::conjunction<std::is_object<T0>, std::is_object<Tn>...,
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absl::negation<std::is_array<T0>>,
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absl::negation<std::is_array<Tn>>...,
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negation<std::is_array<T0> >,
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negation<std::is_array<Tn> >...,
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std::is_nothrow_destructible<T0>,
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std::is_nothrow_destructible<Tn>...>::value,
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"Attempted to instantiate a variant with an unsupported type.");
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