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Export of internal Abseil changes.

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c1f3a243ff3713917eaf0255c86ddd1b40461ba9 by Abseil Team <absl-team@google.com>:

Remove stray space.

PiperOrigin-RevId: 207753171

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4abe43b174f7fafa390d2f6eb96f31977a38fc69 by Shaindel Schwartz <shaindel@google.com>:

Typo fix.

PiperOrigin-RevId: 207572868

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e7757b409256b025cadba20a84a93cb9dc4319e1 by Abseil Team <absl-team@google.com>:

Adds backported is_(copy|move)_assignable<T>

PiperOrigin-RevId: 207572180
GitOrigin-RevId: c1f3a243ff3713917eaf0255c86ddd1b40461ba9
Change-Id: I1202715e5092b54d5967017728044715d6eb2ec0
This commit is contained in:
Abseil Team 2018-08-07 11:43:34 -07:00 • committed by Derek Mauro
parent bea85b5273
commit 083d04dd4a
9 changed files with 126 additions and 32 deletions
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8
absl/types/internal/variant.h
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@ -1227,23 +1227,23 @@ using VariantCopyBase = absl::conditional_t<
// Base that is dependent on whether or not the move-assign can be trivial.
template <class... T>
using VariantMoveAssignBase = absl::conditional_t<
absl::disjunction<absl::conjunction<std::is_move_assignable<Union<T...>>,
absl::disjunction<absl::conjunction<absl::is_move_assignable<Union<T...>>,
std::is_move_constructible<Union<T...>>,
std::is_destructible<Union<T...>>>,
absl::negation<absl::conjunction<
std::is_move_constructible<T>...,
std::is_move_assignable<T>...>>>::value,
absl::is_move_assignable<T>...>>>::value,
VariantCopyBase<T...>, VariantMoveAssignBaseNontrivial<T...>>;
// Base that is dependent on whether or not the copy-assign can be trivial.
template <class... T>
using VariantCopyAssignBase = absl::conditional_t<
absl::disjunction<absl::conjunction<std::is_copy_assignable<Union<T...>>,
absl::disjunction<absl::conjunction<absl::is_copy_assignable<Union<T...>>,
std::is_copy_constructible<Union<T...>>,
std::is_destructible<Union<T...>>>,
absl::negation<absl::conjunction<
std::is_copy_constructible<T>...,
std::is_copy_assignable<T>...>>>::value,
absl::is_copy_assignable<T>...>>>::value,
VariantMoveAssignBase<T...>, VariantCopyAssignBaseNontrivial<T...>>;
template <class... T>