Mercurial > public > mercurial-scm > hg-stable
diff rust/hg-core/examples/nodemap/main.rs @ 46495:6380efb82191
rust: replace Node::encode_hex with std::fmt::LowerHex
This avoids allocating intermediate strings.
Differential Revision: https://phab.mercurial-scm.org/D9860
| author | Simon Sapin <simon.sapin@octobus.net> |
|---|---|
| date | Mon, 25 Jan 2021 12:00:23 +0100 |
| parents | 8f7c6656ac79 |
| children | 18a261b11b20 |
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--- a/rust/hg-core/examples/nodemap/main.rs Fri Jan 29 13:46:19 2021 +0100 +++ b/rust/hg-core/examples/nodemap/main.rs Mon Jan 25 12:00:23 2021 +0100 @@ -66,7 +66,7 @@ .collect(); if queries < 10 { let nodes_hex: Vec<String> = - nodes.iter().map(|n| n.encode_hex()).collect(); + nodes.iter().map(|n| format!("{:x}", n)).collect(); println!("Nodes: {:?}", nodes_hex); } let mut last: Option<Revision> = None; @@ -76,11 +76,11 @@ } let elapsed = start.elapsed(); println!( - "Did {} queries in {:?} (mean {:?}), last was {:?} with result {:?}", + "Did {} queries in {:?} (mean {:?}), last was {:x} with result {:?}", queries, elapsed, elapsed / (queries as u32), - nodes.last().unwrap().encode_hex(), + nodes.last().unwrap(), last ); }