cppcoro : A library of C++ coroutine abstractions for the coroutines TS ( https://github.com/Garcia6l20/cppcoro )
date : A date and time library based on the C++11/14/17 chrono header ( https://github.com/HowardHinnant/date )
nameof : Nameof operator for modern C++ ( https://github.com/Neargye/nameof )
reproc : A cross-platform (C99/C++11) process library ( https://github.com/DaanDeMeyer/reproc )
tgbot-cpp : C++ library for Telegram bot API ( https://github.com/reo7sp/tgbot-cpp )
tl-expected : Guideline Support Library implementation by Microsoft ( https://github.com/TartanLlama/expected )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gentoo-zh
For Paludis use this rsync : rsync://gentoo.zugaina.org/gentoo-zh-portage
If you have a problem : ycarus(-at-)zugaina.org