Rust is the only language I can think of with a first party version switcher. rustup is maintained by the core team, unlike rvm or nvm.
Are there other languages like Rust in this respect?
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Difftastic 0.71 is out! This is a polish release, still well worth upgrading:
* A ton of performance improvements, especially for nasty corner cases.
* Improved C++, Dockerfile, Haskell, JavaScript, Makefile, Perl, Ruby, Rust, Scala and TypeScript.
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.)
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It's really satisfying fixing crashes in rust-analyzer. You can start from a panic message and dig until you've got a tiny Rust program that triggers the problem.
(It's usually an issue with incomplete source files breaking invariants.)