26 lines
640 B
Rust
26 lines
640 B
Rust
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fn main() {
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let number = Some(7);
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let letter: Option<i32> = None;
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let emoticon: Option<i32> = None;
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if let Some(i) = number {
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println!("Matched {:?}!", i);
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}
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if let Some(i) = letter {
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println!("Matched {:?}!", i);
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} else {
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println!("Didn't match a number. Let's go with a letter!");
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}
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let i_like_letters = false;
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if let Some(i) = emoticon {
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println!("Matched {:?}!", i);
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} else if i_like_letters {
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println!("Didn't match a number. Let's go with a letter!");
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} else {
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println!("I don't like letters. Let's go with an emoticon :)!");
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}
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}
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