te
mp
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te
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rust-like traits on plain C++ with short macro (type erasure actually)
Or dyno or Poly or Not-Actually-Boost.TE or ...
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C++ Polymorphism Without Inheritance Using Glaze
https://github.com/boost-ext/te Boost TE ("unnoficial boost project")
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[C++20] New way of meta-programming?
https://github.com/boost-ext/te (for SBO performance and type.erasure call syntax)
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Type Erasure in C++ Explained
And if it were in the standard there wouldn't be at least five well known libraries implementing it (including from Adobe and from Facebook): https://github.com/boost-ext/te#similar-libraries
As far as I know (I don't really follow the committee work) the latest attempt to introduce run-time duck-typing in the standard was https://github.com/andyprowl/virtual-concepts, which seems dead.
mp
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Compile-Time 'Fun' with Std.ranges
C++20 allows to `almost` natively use std.ranges for template meta-programming. Idea explored at - https://github.com/boost-ext/mp.
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[C++20] Write meta-function once using STL apply to types/values/tuples/fixed_string/...
C++ enables new way of Template Meta-Programming where STL can be used. Some of its' power might be found in https://github.com/boost-ext/mp.
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How to filter tuple at compile time, by values of its elements (instead of types) ?
With mp (https://github.com/boost-ext/mp) you can use std::ranges to do it to
- [C++20] New way of meta-programming?
- New Way of Meta-Programming?
What are some alternatives?
dyno - Runtime polymorphism done right
ut - C++20 μ(micro)/Unit Testing Framework
entt - Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more
sml - C++14 State Machine library
actix-net - A collection of lower-level libraries for composable network services.
C_plus_plus-Helpful-Libraries
glaze - Extremely fast, in memory, JSON and interface library for modern C++
goreporter - A Golang tool that does static analysis, unit testing, code review and generate code quality report.
azula - A fast, statically typed compiled language
mlib - mlib is a fast, simple c++ meta-programming library that uses c++20.
hsm - Finite state machine library based on the boost hana meta programming library. It follows the principles of the boost msm and boost sml libraries, but tries to reduce own complex meta programming code to a minimum.
Experimental Boost.DI - C++14 Dependency Injection Library