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by oconnor663 1071 days ago
It might be worth noting that unimplemented!() is a thin wrapper around panic!(), so if execution makes it to that line, your program will crash.

Rust actually does allow uninitialized variables, even in safe code. But it'll be a compiler error if you try to use them in any way before initializing them, so this is mostly just a curiosity: https://play.rust-lang.org/?version=stable&mode=debug&editio...