Make a C++20 version?

[jgcodes2020]

C++20 lets you write string literals in template parameters with a helper type. Would it be possible to make a C++20 version?

[halfelf]

Hi @jgcodes2020, I have made a 17 upgrade a few years ago, forked from this great repo. Check here and feel free to submit an issue if there is anything I can do for a C++2x version.