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Relax the implementation of MatcherCast to allow conversion of `Matcher<T>` to
`Matcher<const T&>`. They have the same match signature.

PiperOrigin-RevId: 297115843

Add gmock Matcher<std::string_view> specialization.

PiperOrigin-RevId: 294443240

Get rid of gmock-generated-matchers.h and gmock-generated-matchers.h.pump.

Stop using pump for MATCHER* macroses generation.

PiperOrigin-RevId: 293878808

Fix std::move to std::forward where appropriate to support reference types.

PiperOrigin-RevId: 292923058

Fix use of reserved names.
Minimize code duplication needed for explict-vs-nonexplicit constructor.

PiperOrigin-RevId: 292555014

Create implementation macroses for matchers to move variadic parameters to the
end of parameters list.

To save backward compatibility, old macroses will be still taking `description`
parameter as the last one. But they will use INTERNAL macro that takes
`description` as the second parameter.

PiperOrigin-RevId: 291724469

Move part of functionality of Matcher* class to the base one. Reduce copypaste.

Make constructor and conversion operator of Matcher* class independent of pump.

PiperOrigin-RevId: 291405510

Allow copying of the string in MatchAndExplain.

Otherwise, conversions from std::string_view to std::string will fail as being
explicit

PiperOrigin-RevId: 290301103

Explicitly default copy constructor in BoundSecondMatcher

Since C++11, implicit defaulting of copy constructors is deprecated for types
with user-defined copy assignment operators, so we should explicitly default the
copy constructor of BoundSecondMatcher.

PiperOrigin-RevId: 287587847

Tolerate std::string's explicit copy construction from std::string_view.

PiperOrigin-RevId: 277583394

Avoid temporary matcher instances.
They are unnecessary and can be relatively more expensive than the rest of the
algorithm.

PiperOrigin-RevId: 277084853

Remove bool_constant in favor of std::integral_constant<bool, ...>;
The one non-trivial use of bool_constant has been changed to have significantly
fewer template specializations.

PiperOrigin-RevId: 275842490

Rolling forward IsNan() matcher with fixes in test for -Wconversion issues. Use
std::nanf and std::nanl where appropriate.
PiperOrigin-RevId: 275523003

Added IsNan matcher

PiperOrigin-RevId: 275473218

Added IsNan matcher

PiperOrigin-RevId: 275278634

Makes testing::ResultOf() work with non-copyable arguments.

PiperOrigin-RevId: 271222632

This fixes up ab8f346b (a manual merge) that has abandoned some things
from PR #2395.

Merge 3bdefdb473d304803d2a38e2a2cd5cdc1827c3bd into fb49e6c1

Closes #2407

COPYBARA_INTEGRATE_REVIEW=https://github.com/google/googletest/pull/2407 from kuzkry:StaticAssertTypeEq 3bdefdb473d304803d2a38e2a2cd5cdc1827c3bd
PiperOrigin-RevId: 269255328

Merge 7f4f58da20e1066a888d3e4bcbef541db798a605 into 90a443f9

Closes #2395

COPYBARA_INTEGRATE_REVIEW=https://github.com/google/googletest/pull/2395 from kuzkry:custom-type-traits-remove_reference 7f4f58da20e1066a888d3e4bcbef541db798a605
PiperOrigin-RevId: 266189044

Add tuple version of Optional() matches. This allows Optional() to be used in Pointwise matchers.

PiperOrigin-RevId: 265501882

Add tuple version of Optional() matches. This allows Optional() to be used in Pointwise matchers.

PiperOrigin-RevId: 265110864

Merge b8ca465e73ac0954a0c9eec2a84bdd8913d5763b into 90a443f9

Closes #2396

COPYBARA_INTEGRATE_REVIEW=https://github.com/google/googletest/pull/2396 from kuzkry:custom-type-traits-true/false_type-and-bool_constant b8ca465e73ac0954a0c9eec2a84bdd8913d5763b
PiperOrigin-RevId: 265064856

Due to confusion arisen from "iff" standing for "if and only if",
this commit uses the latter.

Per the MSVC documentation the warning is new as of Visual Studio 2017,
version 15.8.
https://docs.microsoft.com/en-us/cpp/error-messages/compiler-warnings/c5046?view=vs-2019

GTest users building on MSVC 2015 or older versions of 2017 will, when
C4616 is enabled, see a warning like:

[...]gtest-matchers.h(53): error C2220: warning treated as error - no 'object' file generated
[...]gtest-matchers.h(53): warning C4619: #pragma warning: there is no warning number '5046'

Guard the mention of 5046 by an _MSC_VER check. VS2017 15.8 corresponds
to an _MSC_VER of 1915.
https://docs.microsoft.com/en-us/cpp/preprocessor/predefined-macros?view=vs-2019

Remove support for "global" ::string and ::wstring types.
This support existed for legacy codebases that existed from before namespaces
where a thing. It is no longer necessary.

PiperOrigin-RevId: 241335738

Add AllOfArray matcher that verifies a value matches all member of some array/container/list/set/..., e.g:
EXPECT_THAT(1, AnyOfArray({1, 2, 3}))
In the simplest form this is identical to AnyOf(1, 2, 3). But unlike that one it works on containers.

Add AnyOfArray matcher that verifies a value matches any member of some
array/container/list/set/...

PiperOrigin-RevId: 230403653

Add move-only argument support to almost all remaining matchers.

PiperOrigin-RevId: 229030728

Replace testing::internal::ImplicitlyConvertible with std::is_convertible
Fixes #2054

PiperOrigin-RevId: 228334305

Internal Change

PiperOrigin-RevId: 227575279

Remove the #ifs for old, unsupported and buggy compilers:
* old versions of GCC & MSVC
* Symbian

PiperOrigin-RevId: 227116941

Unifdef c++11-related macros from googletest now that it requires C++11.

PiperOrigin-RevId: 225905601

Remove GTEST_REFERENCE_TO_CONST_ usage from GMock. In C++11, it's redundant.

PiperOrigin-RevId: 225719210