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Export of internal Abseil changes.

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fd86c60bac6c41f1629ce1ab7dc1c8edff398a59 by Alex Strelnikov <strel@google.com>:

Import PR: https://github.com/abseil/abseil-cpp/pull/243
Fix Windows ARM64 intrinsic use.

PiperOrigin-RevId: 228535649

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a0ca663f606a3b31493683e405be2b1cff450894 by CJ Johnson <johnsoncj@google.com>:

Fixes issue of mixed signedness comparison

PiperOrigin-RevId: 228535623

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d71aaa1705d7303b43fe02088fe07b153e647796 by Shaindel Schwartz <shaindel@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 228534365

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c1b49d361aa880198e071f93997724bddbcd4760 by Samuel Benzaquen <sbenza@google.com>:

Internal cleanup

PiperOrigin-RevId: 228406627

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0c4b1c2bed107698e209055b3431771d7a1bdba1 by Dave Walker <dawalker@google.com>:

Add comments about the purpose of container_internal::slot_type.

PiperOrigin-RevId: 228264537

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060aa6077d2f3a0a129149e0644d19f2f521b241 by Abseil Team <absl-team@google.com>:

#include <cmath> in hashtablez_sampler.cc

Expected to fix the android build.

PiperOrigin-RevId: 228222550
GitOrigin-RevId: fd86c60bac6c41f1629ce1ab7dc1c8edff398a59
Change-Id: I26339fd4548c1a81b037cb52c26910d1bd850ea8
This commit is contained in:
Abseil Team 2019-01-09 09:55:36 -08:00 • committed by Shaindel Schwartz
parent 9449ae9439
commit 018b4db1d7
11 changed files with 105 additions and 33 deletions
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29
absl/container/internal/raw_hash_set.h
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@ -105,6 +105,7 @@
#include "absl/base/internal/bits.h"
#include "absl/base/internal/endian.h"
#include "absl/base/port.h"
#include "absl/container/internal/common.h"
#include "absl/container/internal/compressed_tuple.h"
#include "absl/container/internal/container_memory.h"
#include "absl/container/internal/hash_policy_traits.h"
@ -165,12 +166,6 @@ struct IsDecomposable<
std::declval<Ts>()...))>,
Policy, Hash, Eq, Ts...> : std::true_type {};
template <class, class = void>
struct IsTransparent : std::false_type {};
template <class T>
struct IsTransparent<T, absl::void_t<typename T::is_transparent>>
: std::true_type {};
// TODO(alkis): Switch to std::is_nothrow_swappable when gcc/clang supports it.
template <class T>
constexpr bool IsNoThrowSwappable() {
@ -605,24 +600,6 @@ struct insert_return_type {
NodeType node;
};
// Helper trait to allow or disallow arbitrary keys when the hash and
// eq functions are transparent.
// It is very important that the inner template is an alias and that the type it
// produces is not a dependent type. Otherwise, type deduction would fail.
template <bool is_transparent>
struct KeyArg {
// Transparent. Forward `K`.
template <typename K, typename key_type>
using type = K;
};
template <>
struct KeyArg<false> {
// Not transparent. Always use `key_type`.
template <typename K, typename key_type>
using type = key_type;
};
// Policy: a policy defines how to perform different operations on
// the slots of the hashtable (see hash_policy_traits.h for the full interface
// of policy).
@ -643,8 +620,8 @@ struct KeyArg<false> {
template <class Policy, class Hash, class Eq, class Alloc>
class raw_hash_set {
using PolicyTraits = hash_policy_traits<Policy>;
using KeyArgImpl = container_internal::KeyArg<IsTransparent<Eq>::value &&
IsTransparent<Hash>::value>;
using KeyArgImpl =
KeyArg<IsTransparent<Eq>::value && IsTransparent<Hash>::value>;
public:
using init_type = typename PolicyTraits::init_type;