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Use mem::take instead of mem::replace where appropriate (#5846)

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* replace replace with take

* Update client/api/src/cht.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/api/src/cht.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
Nikolay Volf
2020-04-30 15:53:36 +03:00
committed by GitHub
parent c3a6d8a881
commit c09bb1f350
11 changed files with 21 additions and 21 deletions
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substrate/primitives/io/src/batch_verifier.rs
+4 -4
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@@ -109,13 +109,13 @@ impl BatchVerifier {
self.sr25519_items.push(Sr25519BatchItem { signature, pub_key, message });
if self.sr25519_items.len() >= 128 {
let items = std::mem::replace(&mut self.sr25519_items, vec![]);
let items = std::mem::take(&mut self.sr25519_items);
if self.spawn_verification_task(move || Self::verify_sr25519_batch(items)).is_err() {
log::debug!(
target: "runtime",
"Batch-verification returns false because failed to spawn background task.",
);
return false;
}
}
@@ -135,7 +135,7 @@ impl BatchVerifier {
/// aggregated result.
#[must_use]
pub fn verify_and_clear(&mut self) -> bool {
let pending = std::mem::replace(&mut self.pending_tasks, vec![]);
let pending = std::mem::take(&mut self.pending_tasks);
let started = std::time::Instant::now();
log::trace!(
@@ -145,7 +145,7 @@ impl BatchVerifier {
self.sr25519_items.len(),
);
if !Self::verify_sr25519_batch(std::mem::replace(&mut self.sr25519_items, vec![])) {
if !Self::verify_sr25519_batch(std::mem::take(&mut self.sr25519_items)) {
return false;
}