mirror of https://github.com/KaiserY/trpl-zh-cn
19 lines
566 B
19 lines
566 B
$ cargo run
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Compiling variables v0.1.0 (file:///projects/variables)
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error[E0384]: cannot assign twice to immutable variable `x`
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--> src/main.rs:4:5
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2 | let x = 5;
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| - first assignment to `x`
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3 | println!("The value of x is: {x}");
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4 | x = 6;
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| ^^^^^ cannot assign twice to immutable variable
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help: consider making this binding mutable
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2 | let mut x = 5;
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| +++
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For more information about this error, try `rustc --explain E0384`.
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error: could not compile `variables` (bin "variables") due to 1 previous error
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