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chore: clarified cow owned_no_mutation comments

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PiqqiDesigns 2023-04-27 15:49:40 -07:00
parent 6d4a980b04
commit c4627e7112
1 changed files with 2 additions and 1 deletions
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exercises/smart_pointers/cow1.rs
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@ -52,7 +52,8 @@ mod tests {
fn owned_no_mutation() -> Result<(), &'static str> { fn owned_no_mutation() -> Result<(), &'static str> {
// We can also pass `slice` without `&` so Cow owns it directly. // We can also pass `slice` without `&` so Cow owns it directly.
// In this case no mutation occurs and thus also no clone, // In this case no mutation occurs and thus also no clone,
// but the result is still owned because it always was. // but the result is still owned because it was never borrowed
// or mutated.
let slice = vec![0, 1, 2]; let slice = vec![0, 1, 2];
let mut input = Cow::from(slice); let mut input = Cow::from(slice);
match abs_all(&mut input) { match abs_all(&mut input) {