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fqdn comparison: make more efficient

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Compare lazily to always avoid to vector collections and if one of the
first parts mismatch some lower_case calls.

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht 2024-02-23 17:22:18 +01:00
parent 9466865843
commit 573e3f41fb
1 changed files with 8 additions and 13 deletions
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21
proxmox-installer-common/src/utils.rs
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@ -258,22 +258,17 @@ impl<'de> Deserialize<'de> for Fqdn {
}
impl PartialEq for Fqdn {
// Case-insensitive comparison, as per RFC 952 "ASSUMPTIONS", RFC 1035 sec. 2.3.3. "Character
// Case" and RFC 4343 as a whole
fn eq(&self, other: &Self) -> bool {
// Case-insensitive comparison, as per RFC 952 "ASSUMPTIONS",
// RFC 1035 sec. 2.3.3. "Character Case" and RFC 4343 as a whole
let a = self
.parts
.iter()
.map(|s| s.to_lowercase())
.collect::<Vec<String>>();
if self.parts.len() != other.parts.len() {
return false;
}
let b = other
.parts
self.parts
.iter()
.map(|s| s.to_lowercase())
.collect::<Vec<String>>();
a == b
.zip(other.parts.iter())
.all(|(a, b)| a.to_lowercase() == b.to_lowercase())
}
}