rust-lang / rustlings

:crab: Small exercises to get you used to reading and writing Rust code!

ratatui / ratlings

Small and interactive exercises for learning Ratatui

Nyanziba / ros2-cpp-drill

ROS 2 / C++ 講習用ドリル。読み物と課題が1対1で対応。rustlings 方式で、テストが合否を判定します。