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perf(era-utils): replace Box<dyn Fn> with function pointer (#20701)

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This commit is contained in:
Doohyun Cho
2026-01-03 19:46:42 +09:00
committed by GitHub
parent 0e6efdb91c
commit 5ac9184ba6
1 changed files with 2 additions and 6 deletions
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8
crates/era-utils/src/history.rs
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@@ -170,18 +170,14 @@ where
<P as NodePrimitivesProvider>::Primitives: NodePrimitives<BlockHeader = BH, BlockBody = BB>,
{
let reader = open(meta)?;
let iter =
reader
.iter()
.map(Box::new(decode)
as Box<dyn Fn(Result<BlockTuple, E2sError>) -> eyre::Result<(BH, BB)>>);
let iter = reader.iter().map(decode as fn(_) -> _);
let iter = ProcessIter { iter, era: meta };
process_iter(iter, writer, provider, hash_collector, block_numbers)
}
type ProcessInnerIter<R, BH, BB> =
Map<BlockTupleIterator<R>, Box<dyn Fn(Result<BlockTuple, E2sError>) -> eyre::Result<(BH, BB)>>>;
Map<BlockTupleIterator<R>, fn(Result<BlockTuple, E2sError>) -> eyre::Result<(BH, BB)>>;
/// An iterator that wraps era file extraction. After the final item [`EraMeta::mark_as_processed`]
/// is called to ensure proper cleanup.