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is_some_and

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Rorik Star Platinum 2025-12-08 22:00:50 +03:00
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rust/luhn/src/lib.rs
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@ -18,5 +18,5 @@ pub fn is_valid(code: &str) -> bool {
(i + 1, sum + added) (i + 1, sum + added)
}) })
}) })
.map_or(false, |(i, sum)| i > 1 && 0 == sum % 10) .is_some_and(|(i, sum)| i > 1 && 0 == sum % 10)
} }