Writing Library Documentation
Effective C++ library documentation helps both users and contributors. Always include a clear API reference, practical usage examples, and contribution guidelines.
Start with a concise README.md that explains what the library does, how to install it, and shows basic examples. Keep it simple so new users can start quickly.
Provide an API reference that describes classes, functions, parameters, and return values, with short code snippets. Add real usage examples in the README or an examples/ folder.
Finally, include contribution guidelines that explain code style, testing rules, and how to submit changes.
README.md
123456789101112131415# MathUtils MathUtils is a lightweight C++ library providing basic mathematical utilities such as factorial and prime checking. It is header-only and easy to integrate into your project. ## Features - Compute factorials of integers; - Check if a number is prime. ## Installation Just copy `math_utils.h` to your project and include it: ```cpp #include "math_utils.h"
Usage
123456789101112131415#include "math_utils.h" #include <iostream> int main() { std::cout << "5! = " << mathutils::factorial(5) << std::endl; std::cout << "7 is prime? " << (mathutils::is_prime(7) ? "yes" : "no") << std::endl; return 0; }
Contributing
- Fork the repository and create a new branch for your feature or bugfix.
- Follow the code style used in
math_utils.h. - Add tests for your changes.
- Submit a pull request with a clear description of your changes.
License
MIT License
123456789101112131415
The most common format for documentation files like README.md, API references, and contribution guides. It is easy to read and supported by platforms like GitHub;
A widely used tool for generating API documentation from annotated C++ source code. It can produce HTML, LaTeX, and other formats;
Used for documentation with tools like Sphinx. Less common in C++ than in Python projects, but can be useful for more complex documentation sites;
Sometimes used for simple CONTRIBUTING.txt or LICENSE.txt files, but lacks formatting features;
Used for custom documentation sites or when more advanced formatting is needed.
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Effective C++ library documentation helps both users and contributors. Always include a clear API reference, practical usage examples, and contribution guidelines.
Start with a concise README.md that explains what the library does, how to install it, and shows basic examples. Keep it simple so new users can start quickly.
Provide an API reference that describes classes, functions, parameters, and return values, with short code snippets. Add real usage examples in the README or an examples/ folder.
Finally, include contribution guidelines that explain code style, testing rules, and how to submit changes.
README.md
123456789101112131415# MathUtils MathUtils is a lightweight C++ library providing basic mathematical utilities such as factorial and prime checking. It is header-only and easy to integrate into your project. ## Features - Compute factorials of integers; - Check if a number is prime. ## Installation Just copy `math_utils.h` to your project and include it: ```cpp #include "math_utils.h"
Usage
123456789101112131415#include "math_utils.h" #include <iostream> int main() { std::cout << "5! = " << mathutils::factorial(5) << std::endl; std::cout << "7 is prime? " << (mathutils::is_prime(7) ? "yes" : "no") << std::endl; return 0; }
Contributing
- Fork the repository and create a new branch for your feature or bugfix.
- Follow the code style used in
math_utils.h. - Add tests for your changes.
- Submit a pull request with a clear description of your changes.
License
MIT License
123456789101112131415
The most common format for documentation files like README.md, API references, and contribution guides. It is easy to read and supported by platforms like GitHub;
A widely used tool for generating API documentation from annotated C++ source code. It can produce HTML, LaTeX, and other formats;
Used for documentation with tools like Sphinx. Less common in C++ than in Python projects, but can be useful for more complex documentation sites;
Sometimes used for simple CONTRIBUTING.txt or LICENSE.txt files, but lacks formatting features;
Used for custom documentation sites or when more advanced formatting is needed.
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