Export of internal Abseil changes.

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5dc8d7504b7c11710b19365a6582c288c8992366 by Derek Mauro <dmauro@google.com>:

Fix constexpr Span::last under MSVC and add Span constexpr tests.

PiperOrigin-RevId: 237515952

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5ea8c146e653bbc49ff7e698699478242df7de35 by Derek Mauro <dmauro@google.com>:

Implement Span::first and Span::last from C++20.
https://github.com/abseil/abseil-cpp/pull/274

PiperOrigin-RevId: 237494399

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08db3417f1d8fe4556255d57a2f0df51b09bdd9a by Derek Mauro <dmauro@google.com>:

HTTPS in more URLs.

PiperOrigin-RevId: 237486823

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83ec63a7f8e47b62af619546f9f7b3bf72e74e86 by Derek Mauro <dmauro@google.com>:

Changed HTTP URLs to HTTPS where possible.
https://github.com/abseil/abseil-cpp/pull/270

PiperOrigin-RevId: 237445310

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220bf279c14cb31efa239500d1a70e0ac0c32e3c by Abseil Team <absl-team@google.com>:

Support parsing decltype(nullptr) as a type.

PiperOrigin-RevId: 237336739

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ced234bbe78f5d495c3f6f6a9c2e0a95f7c080a5 by Gennadiy Rozental <rogeeff@google.com>:

Introduce internal interface for setting environment variable value in scope

PiperOrigin-RevId: 237275806

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1f1acb4e294af24d9f7598e85163d5e1d9958ae9 by Samuel Benzaquen <sbenza@google.com>:

Avoid using aliases in the SFINAE expressions to make it more compatible with MSVC.
Turn on the tests in MSVC.

PiperOrigin-RevId: 237261456

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06cf7de6250a0572ef90fa1176f742ca0451ce71 by Derek Mauro <dmauro@google.com>:

Fix unused variable warning.

PiperOrigin-RevId: 237108006
GitOrigin-RevId: 5dc8d7504b7c11710b19365a6582c288c8992366
Change-Id: Ife5182c80942945c4e8700844c8febb482d6ad82
This commit is contained in:
Abseil Team 2019-03-08 14:06:50 -08:00 committed by Derek Mauro
parent c1cecb25a9
commit 88a152ae74
17 changed files with 371 additions and 141 deletions

View file

@ -80,7 +80,7 @@
//
// A function-like feature checking macro that accepts C++11 style attributes.
// It's a wrapper around `__has_cpp_attribute`, defined by ISO C++ SD-6
// (http://en.cppreference.com/w/cpp/experimental/feature_test). If we don't
// (https://en.cppreference.com/w/cpp/experimental/feature_test). If we don't
// find `__has_cpp_attribute`, will evaluate to 0.
#if defined(__cplusplus) && defined(__has_cpp_attribute)
// NOTE: requiring __cplusplus above should not be necessary, but
@ -102,7 +102,7 @@
//
// Tells the compiler to perform `printf` format string checking if the
// compiler supports it; see the 'format' attribute in
// <http://gcc.gnu.org/onlinedocs/gcc-4.7.0/gcc/Function-Attributes.html>.
// <https://gcc.gnu.org/onlinedocs/gcc-4.7.0/gcc/Function-Attributes.html>.
//
// Note: As the GCC manual states, "[s]ince non-static C++ methods
// have an implicit 'this' argument, the arguments of such methods