frozen
Magic Enum C++
frozen | Magic Enum C++ | |
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10 | 44 | |
1,210 | 4,424 | |
- | - | |
6.1 | 8.1 | |
about 1 month ago | 3 days ago | |
C++ | C++ | |
Apache License 2.0 | MIT License |
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frozen
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Making a "constant mapping"
I found this extension that implements "frozen" versions of some C++ containers, but I was wondering if there is a good solution available in the standard library.
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Static map - is it possible?
A library exists that can produce constexpr hash table based containers.
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What C++ library do you wish existed but hasn’t been created yet?
I use the Frozen library for that. Since the conversions should be known at compile time you can make constexpr hash tables for lookups.
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Command-line util for class implementation (My first try at a professional c++ application)
The constexpr dependency of note here is frozen.
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Ambition is cute.
In C++, a drop-in replacement for your DSA can provide significant improvements over the standard library. Particularly the standard unordered_map class can be improved by 50% to 100% (e.g. https://github.com/greg7mdp/parallel-hashmap, or for static maps https://github.com/serge-sans-paille/frozen). Of course, recognize that creating a DS/A from scratch is an entire project, and you shouldn't roll your own for an independent codebase.
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[Hobby] Bomberman fan 2D Animator needed
Technologies (for curious folks): C++17, SFML, Entt, Frozen, Protobuf, spdlog, GoogleTest, GoogleBenchmark, CMake and Dear ImGui for debug purpose.
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May 2021 monthly "What are you working on?" thread
In the language, I added anonymous array literals. I did some cleanup in the compiler and updated to LLVM 12 from 10 (which was pretty trivial, surprisingly). I also added frozen, a C++ perfect-hashing library, as a dependency to speed up the lookup of keywords in my lexer. The library exploits C++’s constexpr features to generate a perfect hash at compile-time without any separate build step, which is great, and it also provides a drop-in replacement for std::unordered_map that uses the hash.
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MSVC Backend Updates in Visual Studio 2019 version 16.10 Preview 2 | C++ Team Blog
This is where I plug Frozen :-] https://github.com/serge-sans-paille/frozen
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What (relatively) easily to implement features would you like to see in c++23.
I’ve no idea how hard it is to implement, but return type polymorphism would be nice. Especially returning different things based on the constexpress of the result. And then add Frozen eqivalents of associative containers to the STL, so that, for example constexpr auto set = std::make_set(...) would be frozen::set, and auto set = std::make_set(...) would be std::set.
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Compile-time INI config parsing and accessing with C++20
In which case, I believe the answer your question would be yes: the frozen map.
Magic Enum C++
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What C++ library do you wish existed but hasn’t been created yet?
I'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
- Usable Magic Enums for C++
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Fully Permissive License C++ Logger For Embedded System
Also, a shoutout to Magic Enum: https://github.com/Neargye/magic_enum
- Favorite Ways of Stringifying Enums
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enum_name (yet another enum to/from string conversion utility >=C++11)
What does this have to offer over magic_enum?
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quill v2.7.0 released - Asynchronous Low Latency C++ Logging Library
But it's a hack, and I prefer not to use hacks in production, because of their significant limitations:
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Enums print numbers instead of words
You can either write a to string(view) function for your enum or use https://github.com/Neargye/magic_enum
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Enums with methods
Why reinvent the wheel? magic_enum
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Error: Boost bimap can't convert const CompatibleKey to Key&
Also if you want to convert enum members to string representation I suggest you just use magic_enum instead, much smaller dependency.
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Macro to write enum and converter from and to string
Magic Enum provides that.
What are some alternatives?
gram_grep - Search text using a grammar, lexer, or straight regex. Chain searches for greater refinement.
Nameof C++ - Nameof operator for modern C++, simply obtain the name of a variable, type, function, macro, and enum
parallel-hashmap - A family of header-only, very fast and memory-friendly hashmap and btree containers.
Protobuf - Protocol Buffers - Google's data interchange format
STL - MSVC's implementation of the C++ Standard Library.
cereal - A C++11 library for serialization
bluebird - A work-in-progess programming language modeled after Ada and C++
FlatBuffers - FlatBuffers: Memory Efficient Serialization Library
mpv - 🎥 Command line video player
Boost.Serialization - Boost.org serialization module
c3c - Compiler for the C3 language
pfr - std::tuple like methods for user defined types without any macro or boilerplate code