유용

https://www.reddit.com/r/git/comments/fbv6p6/build_your_own_git_learn_git_internals_by/

구현: reimplementing, implementing, building, * from scratch

https://beej.us/guide/bgnet/

https://gcanti.github.io/2014/10/29/understanding-react-and-reimplementing-it-from-scratch-part-1.html