What is a doctest? It is example code you write in a docstring! What is a docstring? Its a string you use as a comment! They get attached to Python functions and classes as metadata. They are often used to auto-generate documentation. Why is it cool? Because you can write tests while you code!

Ground-up implementation of a Fortran front end written in modern C++.

libc++ is another implementation of the C++ standard library.

clangd understands your C++ code and adds smart features to your editor: - code completion - compile errors - go-to-definition - and more.

Perl scalars can be either strings or numbers, and normally you don't really care which is which as it will do all the necessary type conversions automagically.

Data::CompactReadonly provides a Compact Read Only Database that consumes very little memory. Once created a database can not be practically updated except by re-writing the whole thing. The aim is for random-access read performance to be on a par with DBM::Deep and for files to be much smaller.