https://www.coldfix.eu/2015/05/16/bison-c++11/
https://www.geeksforgeeks.org/flex-fast-lexical-analyzer-generator/
http://anoopsarkar.github.io/compilers-class/yacc-practice.html
vid calculator written with flex/bison
https://nullprogram.com/blog/2019/01/25/
books
courses
ExtendedCPP is a c++ parser using parser-toolkit. It allows to extend c++ language features by transpiling
https://github.com/reneeichhorn/extended-cpp/blob/463429ce697c8c20290e56115c735b45b16f9bb4/specifications/modules.md
https://github.com/reneeichhorn/extended-cpp