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Use unwrap_or_else for efficiency (#31747) 

Use unwrap_or_else for efficiency.
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Lijun Wang 2023-05-22 09:58:24 -07:00 committed by GitHub
parent 2549bff59c
commit 917f3d2586
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2 changed files with 2 additions and 2 deletions
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2
core/src/replay_stage.rs
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@ -2118,7 +2118,7 @@ impl ReplayStage {
.map_or(false, |sender| sender.should_send_parents) .map_or(false, |sender| sender.should_send_parents)
.then(|| { .then(|| {
let mut new_chain = rooted_slots.clone(); let mut new_chain = rooted_slots.clone();
new_chain.push(oldest_parent.unwrap_or(bank.parent_slot())); new_chain.push(oldest_parent.unwrap_or_else(|| bank.parent_slot()));
new_chain new_chain
}); });

2
rpc/src/optimistically_confirmed_bank_tracker.rs
View File

@ -396,7 +396,7 @@ mod tests {
let oldest_parent = parents.last().map(|last| last.parent_slot()); let oldest_parent = parents.last().map(|last| last.parent_slot());
parents.push(bank.clone()); parents.push(bank.clone());
let mut rooted_slots: Vec<_> = parents.iter().map(|bank| bank.slot()).collect(); let mut rooted_slots: Vec<_> = parents.iter().map(|bank| bank.slot()).collect();
rooted_slots.push(oldest_parent.unwrap_or(bank.parent_slot())); rooted_slots.push(oldest_parent.unwrap_or_else(|| bank.parent_slot()));
rooted_slots rooted_slots
} }