Top 23 C++ header-only Projects
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Project mention: So what files can actually be read from an SD card? | reddit.com/r/vex | 2021-09-15
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Catch
A modern, C++-native, header-only, test framework for unit-tests, TDD and BDD - using C++11, C++14, C++17 and later (or C++03 on the Catch1.x branch)
Maybe you would be interested in Catch2. I have been using it in all my projects, its pretty good.
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Project mention: Need a C++ roguelike engine w/up to date tutorials! | reddit.com/r/roguelikedev | 2021-09-28
May I also take a moment to recommend spdlog as a logging library. It's just one line of code to add it in to the project, and it's fast and flexible.
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It seems nice, but the framework seems to be dead. There are still open pull requests and the contribution page speaks for itself: https://github.com/ipkn/crow/graphs/contributors
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So I am trying to make a little homescreen app that displays date, time, weather, etc. I'm working on the weather component right now and I'm trying to do it through an api call to the national weather service's api. I found this library for making http requests in C++ and im having some trouble with it. Im making the request with these two lines in my code
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Excellent! I've been using ENTT for a UE-compatible C++ ECS library for a while but it'll be good to get something in-engine, and it opens a lot of possibilities for speeding up other parts of the engine too.
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How about Nana? or GuiLite?
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Scout APM
Scout APM: A developer's best friend. Try free for 14-days. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
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(C++11) - https://github.com/g-truc/glm
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I use doctest for unit testing.
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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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compile-time-regular-expressions
A Compile time PCRE (almost) compatible regular expression matcher.
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Project mention: It there a library for creating a progress bar? | reddit.com/r/cpp_questions | 2021-03-31
Maybe this one: https://github.com/p-ranav/indicators
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As idiomatic, I will try to adopt as much as possible purely functional programming in C++ by using https://github.com/Dobiasd/FunctionalPlus . Do you have by any chance any alternative suggestion?
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As a professional C++ programmer I feel a lot of the reasons C++ gets this response is because it's simply not "batteries included" like Go or Rust.
C++ is a very powerful, unopinionated language, that gives you a lot of freedom to attack your problem domain the way you best see fit.
If you're writing a networked application, don't use POSIX sockets, go and find a higher level library. If you're parsing complex text formats, don't iterate over buffers with char*'s, go pick up PEGTL[0]. If you're working on graphs, or need to properly index in-memory data, go pick up Boost[1][2]. If you need a GUI, go pick up Qt.
It's extremely common in C++, due to the lack of a universal package management solution, for people to try and "muddle through" and do shit themselves when it's far outside their core competency.
At one of my last employers, the core product was parsing JSON with std::regex, simply because they couldn't be bothered to integrate a JSON library.
[0] https://github.com/taocpp/PEGTL
[1] https://www.boost.org/doc/libs/1_76_0/libs/graph/
[2] https://www.boost.org/doc/libs/1_76_0/libs/multi_index/doc/i...
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uvw
Header-only, event based, tiny and easy to use libuv wrapper in modern C++ - now available as also shared/static library!
Have you tried this wrapper? https://github.com/skypjack/uvw
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Project mention: Simple `struct` static reflection system I use that tracks names, attributes (in my own code I also keep `constexpr` hashes of names) -- example gets fully inlined into `main()` | reddit.com/r/cpp | 2021-04-24
And then there's also the longstanding issue with default member initializers -- https://github.com/boostorg/hana/issues/409 -- which was a deal-breaker.The PROP system avoids this issue precisely by having the macro be as local as possible: the default member initializer is outside the macro. It does this while still letting you attach additional PropAttribs metadata (I'm not sure what additional metadata attachment looks like in Hana? haven't really tried). Default values and additional attributes are by and large quite more important to me in my use cases for reflection (component types in game ECS) than range syntax (everything I've needed and can think of needing is covered by for-each loop).
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Project mention: Fastest way to read very large file(Gb to Tb) in C++ | reddit.com/r/cpp | 2021-05-19
I would memory map it. Use this lib: https://github.com/mandreyel/mio
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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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Sounds like you and I are on similar paths. I gave myself the same goal back in 2018 (build a simple-ish c++/opengl engine and ship a game with it). I'm currently using this library for storing my game object datastructures and this library for key lookups into that primary container. I glue the two together in a `sac.h` template, and I'm done. Is it the most performant thing...probably not...does it work...yes, and it's easily swapped out for something else down the road if the need arises.
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Project mention: Looking for a codegen library that uses C++ for scripting | reddit.com/r/cpp | 2021-03-10
I've looked into a newer template engine like Inja, but my client isn't quite happy with that either. Inja allows you to write templates that you feed JSON data into:
Index
What are some of the best open-source header-only projects in C++? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | json | 26,938 |
| 2 | Catch | 14,093 |
| 3 | spdlog | 12,780 |
| 4 | Crow | 6,526 |
| 5 | cpp-httplib | 5,837 |
| 6 | entt | 5,803 |
| 7 | GuiLite | 5,706 |
| 8 | GLM | 5,553 |
| 9 | doctest | 3,477 |
| 10 | Magic Enum C++ | 2,195 |
| 11 | compile-time-regular-expressions | 2,046 |
| 12 | indicators | 1,726 |
| 13 | FunctionalPlus | 1,465 |
| 14 | PEGTL | 1,416 |
| 15 | uvw | 1,315 |
| 16 | hana | 1,298 |
| 17 | plog | 1,226 |
| 18 | mio | 1,181 |
| 19 | Nameof C++ | 1,177 |
| 20 | Better Enums | 1,174 |
| 21 | robin-hood-hashing | 919 |
| 22 | Argh! | 886 |
| 23 | Inja | 827 |
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