jarjar/rustlings
1
0
Fork 0
mirror of https://github.com/rust-lang/rustlings.git synced 2026-01-01 08:19:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

docs: clarify comment in owned_mutation test (fix #2303)

Browse Source
This commit is contained in:
KAUSTUBHOG 2025-11-10 23:06:05 +05:30
parent f80fbca12e
commit 0f44350f32
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
exercises/19_smart_pointers/cow1.rs
View File

@ -57,9 +57,9 @@ mod tests {
#[test] #[test]
fn owned_mutation() { fn owned_mutation() {
// Of course this is also the case if a mutation does occur (not all // When the data is already owned, even if a mutation occurs, `to_mut()`
// numbers are absolute). In this case, the call to `to_mut()` in the // simply returns a mutable reference to the existing owned data without
// `abs_all` function returns a reference to the same data as before. // performing any clone.
let vec = vec![-1, 0, 1]; let vec = vec![-1, 0, 1];
let mut input = Cow::from(vec); let mut input = Cow::from(vec);
abs_all(&mut input); abs_all(&mut input);