[Rust Guide] 9.1. Unrecoverable Errors and Panic!

Rust introduces a distinct mechanism for handling unrecoverable errors through the panic! macro, which immediately stops program execution upon encountering an error like an out-of-bounds index. This approach ensures robust error management by differentiating between recoverable and unrecoverable errors, helping developers maintain code reliability.

Developers can optimize their Rust binaries by configuring panic behavior to either unwind (perform cleanup) or abort (immediate termination), with the latter leading to smaller binary sizes when set in Cargo.toml.

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