Debugging Your Operating System: A Lesson In Memory Allocation https://lukasa.co.uk/2016/12/Debugging_Your_Operating_System/ (superb, accessible deep dive into calloc and paging)
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The literal 0xffu8 in Rust is pretty tricky to read without syntax highlighting. It looks like a plain hexadecimal value at first.
(Why not have syntax highlighting? Ironically I was debugging and improving VS Code's Rust highlighting.)
Chekhov's repro: If a line of code is included in a bug report, it should contribute to the debugging somewhere.
Chekhov's repro: If a line of code is included in a bug report, it should contribute to the debugging somewhere.