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use if-let

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This commit is contained in:
Edward Shen 2023-07-28 00:29:05 -07:00
parent a5c55115cf
commit 6c8298aeec
Signed by: edward
GPG key ID: 0A400FFE10097C30
1 changed files with 17 additions and 18 deletions
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35
src/main.rs
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@ -309,26 +309,25 @@ struct Message {
async fn handle_list(conf: Config, args: List) -> Result<()> { async fn handle_list(conf: Config, args: List) -> Result<()> {
// Use provided zones or list all in config // Use provided zones or list all in config
let known_zones: HashSet<_> = conf.zone.values().map(|zone| &zone.id).collect(); let known_zones: HashSet<_> = conf.zone.values().map(|zone| &zone.id).collect();
let zones: Vec<_> = match args.zones { let zones: Vec<_> = if let Some(zones) = args.zones {
Some(zones) => { // These zones may be human readable. Map them to zone IDs.
// These zones may be human readable. Map them to zone IDs. zones
zones .into_iter()
.into_iter() .filter_map(|maybe_zone_id| {
.filter_map(|maybe_zone_id| { if known_zones.contains(&maybe_zone_id) {
if known_zones.contains(&maybe_zone_id) { return Some(maybe_zone_id);
return Some(maybe_zone_id); }
}
if let Some(zone) = conf.zone.get(&maybe_zone_id) { if let Some(zone) = conf.zone.get(&maybe_zone_id) {
return Some(zone.id.clone()); return Some(zone.id.clone());
} }
warn!("Unknown zone {maybe_zone_id}, skipping"); warn!("Unknown zone {maybe_zone_id}, skipping");
None None
}) })
.collect() .collect()
} } else {
None => known_zones.into_iter().cloned().collect(), known_zones.into_iter().cloned().collect()
}; };
let mut output = BTreeMap::new(); let mut output = BTreeMap::new();