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This is a library that implements a wide range of various coroutine primitives in C++20, allowing for easy and simple use. It also provides conduit::io, which integrates coroutines with boost::asio

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Conduit Logo

Conduit Coroutine Library for C++

conduit is an educational/experimental library for coroutines as they were introduced in C++20. While I hope that this library will prove useful to the community.

Table of contents

Using Conduit

Add to an existing project via git submodule

Conduit can be added to an existing git repository by running

git submodule add https://github.com/functionalperez/conduit.git

This will add conduit as a submodule of your project, and whenever anyone clones your project via git clone --recursive <Your Project>, conduit will be automatically downloaded as well.

If you're taking this route and your project uses cmake, just add this line to your CMakeLists.txt folder and the compiler will find conduit:

add_subdirectory(conduit)

Running tests

In order to ensure that your system is set up correctly, it's recommended to compile and run main.cpp, which contains tests for conduit.

# Download
git clone https://github.com/functionalperez/conduit.git

# Build
cd conduit
mkdir build
cd build
cmake .. -DCMAKE_CXX_COMPILER=clang++
cmake --build .

# Run
./run_tests

Alternatively, if you don't want to use CMake, just run the following commands in the root directory of this project:

g++-10 -Iinclude -fcoroutines -std=c++20 main.cpp -o run_example

./run_example

Installing system-wide

You can install Conduit on a system-wide basis, and this will allow you to use conduit in C++ projects without adding any additional compiler flags and without adding anything to your build file (although you'll still need to compile your project for C++20).

Installing with cmake

In order to install conduit via cmake, run the following commands in the root directory of this project:

mkdir -p build
cd build
cmake .. -DCMAKE_CXX_COMPILER=clang++
cmake --install .

# Optionally, you can remove the repository once you've installed it:
cd ../..
rm -rf conduit

Installing on Ubuntu

On Ubuntu, installation would be as follows:

  1. Download conduit.deb from the assets section of the most recent release
  2. Go to your downloads folder (cd ~/Downloads)
  3. Run sudo apt install ./conduit.deb (or just double-click the file to open it in the installer)

This will install Conduit in /usr/local/include, and Conduit can be uninstalled at any time by running sudo apt remove conduit.

Manual installation for arbitrary linux systems

Conduit can also be installed manually by running:

git clone https://github.com/functionalperez/conduit.git
sudo cp -r conduit/include/conduit /usr/local/include

# Optionally, remove the repo after installation as it's no longer needed
rm -rf conduit

To uninstall manually, simply run

sudo rm -r /usr/local/include/conduit

Using the installed library

Once you've installed Conduit, you can use it as you would any other installed library:

// main.cpp
#include <conduit/coroutine.hpp>
#include <conduit/generator.hpp>

#include <string>
#include <iostream>

using namespace conduit;

generator<char> hello_message() {
    for(char c : "Hello, world!") {
        co_yield c;
    }
}

int main() {
    for(char c : hello_message()) {
        std::cout << c;
    }
    std::cout << std::endl;
}
clang++ main.cpp -std=c++20 -o main

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This is a library that implements a wide range of various coroutine primitives in C++20, allowing for easy and simple use. It also provides conduit::io, which integrates coroutines with boost::asio

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