te vs cpp_traits

te

C++17 Run-time polymorphism (type erasure) library (by boost-ext)

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cpp_traits

rust-like traits (type erasure) on plain C++ (by Morglod)

CPP Cpp20 Rust rust-like traits type-erasure

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te		cpp_traits
	Project
4	Mentions	1
402	Stars	15
2.7%	Growth	-
2.7	Activity	2.3
3 months ago	Latest Commit	10 months ago
C++	Language	C++
-	License	MIT License

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

te

Posts with mentions or reviews of te. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-04-07.

rust-like traits on plain C++ with short macro (type erasure actually)
5 projects | /r/cpp | 7 Apr 2023

Or dyno or Poly or Not-Actually-Boost.TE or ...
C++ Polymorphism Without Inheritance Using Glaze
8 projects | /r/cpp | 12 Jan 2023

https://github.com/boost-ext/te Boost TE ("unnoficial boost project")
[C++20] New way of meta-programming?
5 projects | /r/cpp | 5 Sep 2022

https://github.com/boost-ext/te (for SBO performance and type.erasure call syntax)
Type Erasure in C++ Explained
2 projects | news.ycombinator.com | 15 Apr 2021

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.

cpp_traits

Posts with mentions or reviews of cpp_traits. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-04-07.

rust-like traits on plain C++ with short macro (type erasure actually)
5 projects | /r/cpp | 7 Apr 2023

What are some alternatives?

When comparing te and cpp_traits you can also consider the following projects:

dyno - Runtime polymorphism done right

entt - Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more

Folly - An open-source C++ library developed and used at Facebook.

actix-net - A collection of lower-level libraries for composable network services.

AnyAny - C++17 library for comfortable and efficient dynamic polymorphism

glaze - Extremely fast, in memory, JSON and interface library for modern C++

zoo - Zoo library

azula - A fast, statically typed compiled language

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.

fathom - 🚧 (Alpha stage software) A declarative data definition language for formally specifying binary data formats. 🚧

sml - C++14 State Machine library