I doubt even you would be that keen to write a C++17 compiler from scratch :P
Re:Building the ultimate home office again
by WalterBright on Sunday July 26, 2020 @04:26PM
(#23959919)
I did write a C++98 compiler from scratch. I then was consumed by writing a D compiler, but the later C++ versions aren't hard from a compiler perspective.
It's not that bad. A couple months and you're good to go.