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Merge pull request #1933 from loshz/main

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options1: slightly update grammar
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Mo 2024-03-29 20:03:23 +01:00 committed by GitHub
parent 9691c3cb55 30273a6ee5
commit 1a4f55e0e6
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2 changed files with 6 additions and 5 deletions
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9
exercises/12_options/options1.rs
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@ -6,11 +6,11 @@
// I AM NOT DONE // I AM NOT DONE
// This function returns how much icecream there is left in the fridge. // This function returns how much icecream there is left in the fridge.
// If it's before 10PM, there's 5 pieces left. At 10PM, someone eats them // If it's before 10PM, there's 5 scoops left. At 10PM, someone eats it
// all, so there'll be no more left :( // all, so there'll be no more left :(
fn maybe_icecream(time_of_day: u16) -> Option<u16> { fn maybe_icecream(time_of_day: u16) -> Option<u16> {
// We use the 24-hour system here, so 10PM is a value of 22 and 12AM is a // We use the 24-hour system here, so 10PM is a value of 22 and 12AM is a
// value of 0 The Option output should gracefully handle cases where // value of 0. The Option output should gracefully handle cases where
// time_of_day > 23. // time_of_day > 23.
// TODO: Complete the function body - remember to return an Option! // TODO: Complete the function body - remember to return an Option!
??? ???
@ -22,10 +22,11 @@ mod tests {
#[test] #[test]
fn check_icecream() { fn check_icecream() {
assert_eq!(maybe_icecream(0), Some(5));
assert_eq!(maybe_icecream(9), Some(5)); assert_eq!(maybe_icecream(9), Some(5));
assert_eq!(maybe_icecream(10), Some(5)); assert_eq!(maybe_icecream(18), Some(5));
assert_eq!(maybe_icecream(23), Some(0));
assert_eq!(maybe_icecream(22), Some(0)); assert_eq!(maybe_icecream(22), Some(0));
assert_eq!(maybe_icecream(23), Some(0));
assert_eq!(maybe_icecream(25), None); assert_eq!(maybe_icecream(25), None);
} }