commit | 46d939a918092ef94498a126dc1244b437100b31 | [log] [tgz] |
---|---|---|
author | Abseil Team <absl-team@google.com> | Thu Oct 21 22:06:17 2021 -0700 |
committer | Andy Getz <durandal@google.com> | Mon Oct 25 15:06:28 2021 -0400 |
tree | 37eb9ec9ebb80bb2c7d10d89c265d31a0eb7e381 | |
parent | ddb842f583e560bbde497bc96cfebe25f9089e11 [diff] |
Export of internal Abseil changes -- 30bbe72e8c32d8680bbe6c8473a884d485e9f684 by Laramie Leavitt <lar@google.com>: Convert randen golden test to use byte arrays. PiperOrigin-RevId: 404948438 -- 4690d9ebd2c518708ad155e913b2140ebdf01234 by Laramie Leavitt <lar@google.com>: Add golden tests for internal::ExplicitSeedSeeq against stable std:: random URBGs. PiperOrigin-RevId: 404912608 -- 52e9b24276ee3a21cc8a026f9d152ef8ced7f507 by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 404861043 -- 9e966a2a680970fd27d927cc6420e333b1378b1e by Abseil Team <absl-team@google.com>: Roll back import of CCTZ from GitHub. PiperOrigin-RevId: 404343587 -- 9c4eedec00105b8288c0b91d96434aea08b8e3c3 by Abseil Team <absl-team@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 404314597 -- f171375fd7bec35cc34815be8faf5e000828b7bb by Abseil Team <absl-team@google.com>: Internal change PiperOrigin-RevId: 404098156 GitOrigin-RevId: 30bbe72e8c32d8680bbe6c8473a884d485e9f684 Change-Id: Ic7b5a3c0659e321e2f642800930a8de014253e2a
The repository contains the Abseil C++ library code. Abseil is an open-source collection of C++ code (compliant to C++11) designed to augment the C++ standard library.
Abseil is an open-source collection of C++ library code designed to augment the C++ standard library. The Abseil library code is collected from Google's own C++ code base, has been extensively tested and used in production, and is the same code we depend on in our daily coding lives.
In some cases, Abseil provides pieces missing from the C++ standard; in others, Abseil provides alternatives to the standard for special needs we've found through usage in the Google code base. We denote those cases clearly within the library code we provide you.
Abseil is not meant to be a competitor to the standard library; we've just found that many of these utilities serve a purpose within our code base, and we now want to provide those resources to the C++ community as a whole.
If you want to just get started, make sure you at least run through the Abseil Quickstart. The Quickstart contains information about setting up your development environment, downloading the Abseil code, running tests, and getting a simple binary working.
Bazel and CMake are the official build systems for Abseil.
See the quickstart for more information on building Abseil using the Bazel build system.
If you require CMake support, please check the CMake build instructions and CMake Quickstart.
Abseil is officially supported on many platforms. See the Abseil platform support guide for details on supported operating systems, compilers, CPUs, etc.
Abseil contains the following C++ library components:
base
Abseil Fundamentals base
library contains initialization code and other code which all other Abseil code depends on. Code within base
may not depend on any other code (other than the C++ standard library).algorithm
algorithm
library contains additions to the C++ <algorithm>
library and container-based versions of such algorithms.cleanup
cleanup
library contains the control-flow-construct-like type absl::Cleanup
which is used for executing a callback on scope exit.container
container
library contains additional STL-style containers, including Abseil's unordered "Swiss table" containers.debugging
debugging
library contains code useful for enabling leak checks, and stacktrace and symbolization utilities.hash
hash
library contains the hashing framework and default hash functor implementations for hashable types in Abseil.memory
memory
library contains C++11-compatible versions of std::make_unique()
and related memory management facilities.meta
meta
library contains C++11-compatible versions of type checks available within C++14 and C++17 versions of the C++ <type_traits>
library.numeric
numeric
library contains C++11-compatible 128-bit integers.profiling
profiling
library contains utility code for profiling C++ entities. It is currently a private dependency of other Abseil libraries.status
status
contains abstractions for error handling, specifically absl::Status
and absl::StatusOr<T>
.strings
strings
library contains a variety of strings routines and utilities, including a C++11-compatible version of the C++17 std::string_view
type.synchronization
synchronization
library contains concurrency primitives (Abseil's absl::Mutex
class, an alternative to std::mutex
) and a variety of synchronization abstractions.time
time
library contains abstractions for computing with absolute points in time, durations of time, and formatting and parsing time within time zones.types
types
library contains non-container utility types, like a C++11-compatible version of the C++17 std::optional
type.utility
utility
library contains utility and helper code.Abseil recommends users "live-at-head" (update to the latest commit from the master branch as often as possible). However, we realize this philosophy doesn't work for every project, so we also provide Long Term Support Releases to which we backport fixes for severe bugs. See our release management document for more details.
The Abseil C++ library is licensed under the terms of the Apache license. See LICENSE for more information.
For more information about Abseil: