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Use with_capacity #4553

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merged 1 commit into from Mar 2, 2022
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6 changes: 3 additions & 3 deletions tokio/src/runtime/thread_pool/worker.rs
Expand Up @@ -194,9 +194,9 @@ pub(super) fn create(
before_park: Option<Callback>,
after_unpark: Option<Callback>,
) -> (Arc<Shared>, Launch) {
let mut cores = vec![];
let mut remotes = vec![];
let mut worker_metrics = vec![];
let mut cores = Vec::with_capacity(size);
let mut remotes = Vec::with_capacity(size);
let mut worker_metrics = Vec::with_capacity(size);

// Create the local queues
for _ in 0..size {
Expand Down