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Replace or_insert_with with or_default

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This commit is contained in:
Josh Wu
2023-10-06 17:51:10 +08:00
parent a1b55b94e0
commit 88c801b4c2
2 changed files with 3 additions and 8 deletions
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4
rust/examples/scanner.rs
View File

@@ -70,9 +70,7 @@ async fn main() -> PyResult<()> {
let mut seen_adv_cache = seen_adv_clone.lock().unwrap();
let expiry_duration = time::Duration::from_secs(cli.dedup_expiry_secs);
let advs_from_addr = seen_adv_cache
.entry(addr_bytes)
.or_insert_with(collections::HashMap::new);
let advs_from_addr = seen_adv_cache.entry(addr_bytes).or_default();
// we expect cache hits to be the norm, so we do a separate lookup to avoid cloning
// on every lookup with entry()
let show = if let Some(prev) = advs_from_addr.get_mut(&data_units) {

7
rust/src/cli/usb/mod.rs
View File

@@ -143,10 +143,7 @@ pub(crate) fn probe(verbose: bool) -> anyhow::Result<()> {
);
if let Some(s) = serial {
println!("{:26}{}", " Serial:".green(), s);
device_serials_by_id
.entry(device_id)
.or_insert(HashSet::new())
.insert(s);
device_serials_by_id.entry(device_id).or_default().insert(s);
}
if let Some(m) = mfg {
println!("{:26}{}", " Manufacturer:".green(), m);
@@ -314,7 +311,7 @@ impl ClassInfo {
self.protocol,
self.protocol_name()
.map(|s| format!(" [{}]", s))
.unwrap_or_else(String::new)
.unwrap_or_default()
)
}
}