Only require c++20.

Only require c++20.

Install clang in emscripten jobs

Update fmt dep so that we can compile everywhere

Update fmt dep so that we can compile everywhere

Need to use std::visit to make compiler happy

Needed to change name in one more place

Use new gnuradio images

Need to add sudo

Need one more package

Add sudo on installs

Install meson and ninja in new container

Try updating base image and compiler

Try to make some compilers happy

Try to make some compilers happy

Don't use std::visit for formatting. It is too slow and complex

Move formatting code to a different header file to improve compile times

Move formatting code to a different header file to improve compile times

Move format functions to a different header

Simplify fmt format function

Use static cast into of old-style

Add support for vectors of strings

Fix yaml indentation

Fix yaml indentation

Attempt to add code coverage report.

Set meson warning_level and fix issues.

Merge remote-tracking branch 'base/main' into struct-refl

Add const to format functions

Fix clang compile error.

Merge remote-tracking branch 'base/main' into struct-refl