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Merge pull request #728 from Zerotask/improve-option-further-information

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docs(option): improve further information if let and while let
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diannasoreil 2022-02-04 15:22:23 +01:00 committed by GitHub
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2
exercises/option/README.md
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@ -16,3 +16,5 @@ Option types are very common in Rust code, as they have a number of uses:
- [Option Enum Format](https://doc.rust-lang.org/stable/book/ch10-01-syntax.html#in-enum-definitions) - [Option Enum Format](https://doc.rust-lang.org/stable/book/ch10-01-syntax.html#in-enum-definitions)
- [Option Module Documentation](https://doc.rust-lang.org/std/option/) - [Option Module Documentation](https://doc.rust-lang.org/std/option/)
- [Option Enum Documentation](https://doc.rust-lang.org/std/option/enum.Option.html) - [Option Enum Documentation](https://doc.rust-lang.org/std/option/enum.Option.html)
- [if let](https://doc.rust-lang.org/rust-by-example/flow_control/if_let.html)
- [while let](https://doc.rust-lang.org/rust-by-example/flow_control/while_let.html)

2
exercises/option/option1.rs
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@ -3,7 +3,7 @@
// I AM NOT DONE // I AM NOT DONE
// you can modify anything EXCEPT for this function's sig // you can modify anything EXCEPT for this function's signature
fn print_number(maybe_number: Option<u16>) { fn print_number(maybe_number: Option<u16>) {
println!("printing: {}", maybe_number.unwrap()); println!("printing: {}", maybe_number.unwrap());
} }