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dag_walk: do one less clone() in heads_ok()

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Yuya Nishihara 2024-06-25 09:47:43 +09:00
parent dddba4675d
commit 60b35f676e
1 changed files with 1 additions and 2 deletions
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3
lib/src/dag_walk.rs
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@ -486,8 +486,7 @@ where
II: IntoIterator<Item = Result<T, E>>,
NI: IntoIterator<Item = Result<T, E>>,
{
let start: Vec<T> = start.into_iter().try_collect()?;
let mut heads: HashSet<T> = start.iter().cloned().collect();
let mut heads: HashSet<T> = start.into_iter().try_collect()?;
// Do a BFS until we have only one item left in the frontier. That frontier must
// have originated from one of the heads, and since there can't be cycles,
// it won't be able to eliminate any other heads.