tree-wide: use is_empty() and similar
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
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@ -215,7 +215,7 @@ pub fn restore(
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let store_map = DataStoreMap::try_from(store)
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.map_err(|err| format_err!("cannot parse store mapping: {}", err))?;
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let used_datastores = store_map.used_datastores();
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if used_datastores.len() == 0 {
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if used_datastores.is_empty() {
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bail!("no datastores given");
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}
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