14 lines
300 B
Rust
14 lines
300 B
Rust
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fn main() {
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let mut optional = Some(0);
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while let Some(i) = optional {
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if i > 9 {
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println!("Greater than 9, quit!");
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optional = None;
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} else {
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println!("`i` is `{:?}`. Try again.", i);
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optional = Some(i + 1);
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}
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}
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}
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