how about std::format

[x1244]

With standard C++20, there is std::format. How about using std::format replace the fmt::format. Then remove the dependence of {fmt}.

[yosh-matsuda]

Now three major compilers support the formatting library.

https://en.cppreference.com/w/cpp/compiler_support#C.2B.2B20_library_features

It may be ready to use std::format.