te vs polytail

te

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

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polytail

Rust-like trait-based polymorphism for C++ (by jamboree)

c-plus-plus-17 traits Generic Polymorphism type-erasure

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te		polytail
	Project
4	Mentions	2
402	Stars	7
2.7%	Growth	-
2.7	Activity	10.0
3 months ago	Latest Commit	over 1 year ago
C++	Language	C++
-	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.

polytail

Posts with mentions or reviews of polytail. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-04-13.

DynaMix 2.0.0 Released
8 projects | /r/cpp | 13 Apr 2023
C++ Polymorphism Without Inheritance Using Glaze
8 projects | /r/cpp | 12 Jan 2023

What are some alternatives?

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

dyno - Runtime polymorphism done right

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

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

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

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

proxy - Proxy: Next Generation Polymorphism in C++

DynaMix - :fish_cake: A new take on polymorphism

azula - A fast, statically typed compiled language

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

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.