initial commit

.appveyor.yml

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+image: 
+  - Visual Studio 2017
+
+environment:
+  matrix:
+    - generator: "Visual Studio 15 2017"
+      BOOST_ROOT: C:/Libraries/boost_1_66_0
+      BOOST_LIBRARYDIR: C:/Libraries/boost_1_66_0/lib32-msvc-14.1
+      PATH: "%BOOST_LIBRARYDIR%;%PATH%"
+
+    - generator: "Visual Studio 15 2017 Win64"
+      BOOST_ROOT: C:/Libraries/boost_1_66_0
+      BOOST_LIBRARYDIR: C:/Libraries/boost_1_66_0/lib64-msvc-14.1
+      PATH: "%BOOST_LIBRARYDIR%;%PATH%"
+
+configuration:
+  - Debug
+  - Release
+
+before_build:
+- cmd: >-
+    cd %APPVEYOR_BUILD_FOLDER%
+    
+    mkdir build         
+    
+    cd build       
+    
+    cmake .. -G "%generator%"   
+
+build_script:
+- cmd: >-
+    cmake --build .
+    
+test_script:
+- cmd: >-
+    ctest

.gitignore

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+/build/
+/.cproject
+/.project
+/.settings
+/.vscode/
+*.info

.travis.yml

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+language: cpp
+os: linux
+dist: trusty
+sudo: false
+
+matrix:
+  include:
+    - env: CXX_COMPILER=clang++-6.0 CXX=g++-7
+      addons: { apt: { packages: ["clang-6.0", "g++-7", "libboost-test-dev"], sources: ["ubuntu-toolchain-r-test", "llvm-toolchain-trusty-6.0"] } }
+
+    - env: CXX_COMPILER=clang++-7 CXX=g++-7
+      addons: { apt: { packages: ["clang-7", "g++-7", "libboost-test-dev"], sources: ["ubuntu-toolchain-r-test", "llvm-toolchain-trusty"] } }
+
+    - env: CXX_COMPILER=g++-7
+      addons: { apt: { packages: ["g++-7", "libboost-test-dev"], sources: ["ubuntu-toolchain-r-test"] } }
+
+    - env: CXX_COMPILER=g++-8
+      addons: { apt: { packages: ["g++-8", "libboost-test-dev"], sources: ["ubuntu-toolchain-r-test"] } }
+
+before_script:
+- |
+  cd ${TRAVIS_BUILD_DIR}
+  mkdir build && cd build
+  cmake .. -DCMAKE_CXX_COMPILER=${CXX_COMPILER}
+ 
+script: 
+- |
+  cmake --build .
+  ctest
+
+after_success:
+- |
+  if [[ "${CXX_COMPILER}" == "g++-7" ]]; then
+    bash <(curl -s https://codecov.io/bash)
+  fi
+
+notifications:
+  email: false

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.9)
+project(int_set CXX)
+
+set(project_include_dir
+	$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
+	$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/include>
+)
+
+add_library(int_set INTERFACE)
+target_include_directories(int_set INTERFACE ${project_include_dir})
+target_compile_features(int_set INTERFACE cxx_std_17)
+
+include(CTest)
+add_subdirectory(test)

LICENSE_1_0.txt

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+Boost Software License - Version 1.0 - August 17th, 2003
+
+Permission is hereby granted, free of charge, to any person or organization
+obtaining a copy of the software and accompanying documentation covered by
+this license (the "Software") to use, reproduce, display, distribute,
+execute, and transmit the Software, and to prepare derivative works of the
+Software, and to permit third-parties to whom the Software is furnished to
+do so, all subject to the following:
+
+The copyright notices in the Software and this entire statement, including
+the above license grant, this restriction and the following disclaimer,
+must be included in all copies of the Software, in whole or in part, and
+all derivative works of the Software, unless such copies or derivative
+works are solely in the form of machine-executable object code generated by
+a source language processor.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

README.md

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+[![Language](https://img.shields.io/badge/language-C++-blue.svg)](https://isocpp.org/) 
+[![Standard](https://img.shields.io/badge/c%2B%2B-17-blue.svg)](https://en.wikipedia.org/wiki/C%2B%2B#Standardization) 
+[![License](https://img.shields.io/badge/license-Boost-blue.svg)](https://opensource.org/licenses/BSL-1.0) 
+[![](https://tokei.rs/b1/github/rhalbersma/int_set)](https://github.com/rhalbersma/int_set)
+
+Rebooting the `std::bitset` franchise
+-------------------------------------
+
+An `int_set<N>` is a modern reimagining of `std::bitset<N>`, keeping what time has proven to be effective, and throwing out what is not. `int_set`s are array-backed sets of integers that are compact and fast: they do less (i.e. they don't do bounds-checking, and they don't throw exceptions) and offer more (e.g. iterators to seamlessly interact with the rest of the Standard Library). This enables you to do your bit-twiddling with familiar syntax, typically leading to cleaner, more expressive code.
+
+Requirements
+------------
+
+These header-only libraries are continuously being tested with the following conforming [C++17](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/n4659.pdf) compilers:
+
+| Platform | Compiler | Versions | Build |
+| :------- | :------- | :------- | :---- |
+| Linux    | Clang <br> GCC | 6.0, 7-SVN<br> 7.3, 8.1 | [![codecov](https://codecov.io/gh/rhalbersma/int_set/branch/master/graph/badge.svg)](https://codecov.io/gh/rhalbersma/int_set) <br> [![Build Status](https://travis-ci.org/rhalbersma/int_set.svg)](https://travis-ci.org/rhalbersma/int_set) |
+| Windows  | Visual Studio  |                    15.7 | [![Build status](https://ci.appveyor.com/api/projects/status/pn0u2i8mcfp4d9un?svg=true)](https://ci.appveyor.com/project/rhalbersma/int-set) |
+
+License
+-------
+
+Copyright Rein Halbersma 2014-2018.   
+Distributed under the [Boost Software License, Version 1.0](http://www.boost.org/users/license.html).   
+(See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)