Initialize from firebase/abseil-cpp@8ddf129

Author: paulb777

.clang-format

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+---
+Language:        Cpp
+BasedOnStyle:  Google
+...

.gitignore

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+# Ignore all bazel-* symlinks.
+/bazel-*
+# Ignore Bazel verbose explanations
+--verbose_explanations
+# Ignore CMake usual build directory
+build
+# Ignore Vim files
+*.swp
+# Ignore QtCreator Project file
+CMakeLists.txt.user
+# Ignore VS Code files
+.vscode/*
+# Ignore generated python artifacts
+*.pyc
+copts/__pycache__/

ABSEIL_ISSUE_TEMPLATE.md

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+Please submit a new Abseil Issue using the template below:
+
+## [Short title of proposed API change(s)]
+
+--------------------------------------------------------------------------------
+--------------------------------------------------------------------------------
+
+## Background
+
+[Provide the background information that is required in order to evaluate the
+proposed API changes. No controversial claims should be made here. If there are
+design constraints that need to be considered, they should be presented here
+**along with justification for those constraints**. Linking to other docs is
+good, but please keep the **pertinent information as self contained** as
+possible in this section.]
+
+## Proposed API Change (s)
+
+[Please clearly describe the API change(s) being proposed. If multiple changes,
+please keep them clearly distinguished. When possible, **use example code
+snippets to illustrate before-after API usages**. List pros-n-cons. Highlight
+the main questions that you want to be answered. Given the Abseil project compatibility requirements, describe why the API change is safe.]

AUTHORS

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+# This is the list of Abseil authors for copyright purposes.
+#
+# This does not necessarily list everyone who has contributed code, since in
+# some cases, their employer may be the copyright holder.  To see the full list
+# of contributors, see the revision history in source control.
+Google Inc.

BUILD.bazel

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+#
+# Copyright 2020 The Abseil Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])  # Apache 2.0
+
+# Expose license for external usage through bazel.
+exports_files([
+    "AUTHORS",
+    "LICENSE",
+])