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Merge e077127eb8 into 3b7fd442a6

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Riccardo Attilio Galli 2025-07-05 15:11:00 +02:00 • committed by GitHub
commit 7c5e2d6593
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8
crates/searcher/src/line_buffer.rs
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@ -538,6 +538,11 @@ fn replace_bytes(
while let Some(i) = bytes.find_byte(src) {
bytes[i] = replacement;
bytes = &mut bytes[i + 1..];
// To search for adjacent `src` bytes we use a different strategy.
// Since binary data tends to have long runs of NUL terminators,
// it is faster to compare one-byte-at-a-time than to stop and start
// memchr (through `find_byte`) for every byte in a sequence.
while bytes.get(0) == Some(&src) {
bytes[0] = replacement;
bytes = &mut bytes[1..];
@ -577,6 +582,9 @@ and exhibited clearly, with a label attached.\
#[test]
fn replace() {
assert_eq!(replace_str("", b'b', b'z'), (s(""), None));
assert_eq!(replace_str("a", b'a', b'a'), (s("a"), None));
assert_eq!(replace_str("a", b'b', b'z'), (s("a"), None));
assert_eq!(replace_str("abc", b'b', b'z'), (s("azc"), Some(1)));
assert_eq!(replace_str("abb", b'b', b'z'), (s("azz"), Some(1)));
assert_eq!(replace_str("aba", b'a', b'z'), (s("zbz"), Some(0)));