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並前往https://newbedev.com/how-do-you-unwrap-a-result-on-ok-or-return-from-the-function-on-err

How do you unwrap a Result on Ok or return from the function ...

Rust's error handling is pretty ergonomic, so I would return the error, even if it is only to log it: fn callable(param: &mut i32) -> Result<i32, ...

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