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Return earlier if original_length < 2 and remove unnecessary call to saturating_sub()

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This commit is contained in:
Michael Dyer 2024-02-28 15:27:00 +01:00
parent 9895f12ed2
commit 4892272a08
1 changed files with 6 additions and 3 deletions
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9
gitbutler-diff/src/signature.rs
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@ -81,13 +81,16 @@ impl Signature {
panic!("unsupported signature version");
}
let original_length = u32::from_le_bytes(self.0[1..5].try_into().unwrap());
let original_length = u32::from_le_bytes(self.0[1..5].try_into().expect("invalid length"));
if original_length < 2 {
return 0.0;
}
let other = other.as_ref();
let other_string: String = other.chars().filter(|&x| !char::is_whitespace(x)).collect();
let other = other_string.as_bytes();
if original_length < 2 || other.len() < 2 {
if other.len() < 2 {
return 0.0;
}
@ -100,7 +103,7 @@ impl Signature {
let right = right >> SHIFT;
let index = ((left as usize) << BITS) | (right as usize);
if self_buckets[index] > 0 {
self_buckets[index] = self_buckets[index].saturating_sub(1);
self_buckets[index] = self_buckets[index] - 1;
matching_bigrams += 1;
}
}