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Top 15 C++ single-file Projects
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Magic Enum C++
Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code
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Nameof C++
Nameof operator for modern C++, simply obtain the name of a variable, type, function, macro, and enum
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span-lite
span lite - A C++20-like span for C++98, C++11 and later in a single-file header-only library
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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string-view-lite
string_view lite - A C++17-like string_view for C++98, C++11 and later in a single-file header-only library
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expected-lite
expected lite - Expected objects in C++11 and later in a single-file header-only library
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ring-span-lite
ring-span lite - A C++yy-like ring_span type for C++98, C++11 and later in a single-file header-only library
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Savefile-Saver
A program to backup all of your game savefiles on your system, neatly, and into a single folder.
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I have never used "tools" for unit-tests, only web sites that show the results of the tests or code coverage. For C++ I prefer https://github.com/doctest/doctest but most companies I worked for use Catch2.
Project mention: What C++ library do you wish existed but hasn’t been created yet? | /r/cpp | 2023-07-08I'm not sure this is quite what you're asking for, but this library has been super helpful to me in the past : https://github.com/Neargye/magic_enum
Project mention: The issue of unit tests and performance measurements (Benchmark) | /r/cpp | 2023-05-27An alternative is tracking the number of instructions a test executes: https://github.com/martinus/nanobench
Or nonstd::expected. Personally, I would rather use output parameters and an enum result or a std::variant over std::optional, because at the very least you have the option for more specific error diagnostics.
Project mention: A basic reflection-like system for editing object fields in a C++ game engine | /r/cpp_questions | 2023-05-23You can look at it here. If you want to know more about the implementation details, you can read about it here.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ single-file related posts
- Refactoring with C++17 std::optional
- Is there a std::string::split or something similar?
- The 23 year-old C++ developers with three job offers over $500k
- Nanobench: Fast, Accurate, Single-Header Microbenchmarking Functionality For C++
- C++ Return: std::any, std::optional, or std::variant?
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Index
What are some of the best open-source single-file projects in C++? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | doctest | 5,574 |
| 2 | Magic Enum C++ | 4,403 |
| 3 | Nameof C++ | 1,937 |
| 4 | tomlplusplus | 1,396 |
| 5 | nanobench | 1,301 |
| 6 | Argh! | 1,278 |
| 7 | span-lite | 486 |
| 8 | string-view-lite | 399 |
| 9 | expected-lite | 348 |
| 10 | semver | 285 |
| 11 | serializer | 185 |
| 12 | scope_guard | 160 |
| 13 | ring-span-lite | 147 |
| 14 | reflect | 14 |
| 15 | Savefile-Saver | 8 |
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