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Remove redundant reserve call #674

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merged 4 commits into from
Mar 4, 2024
Merged

Remove redundant reserve call #674

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869c3b4
Remove redundant reserve call.
braddunbar Mar 2, 2024
0211037
remove inline-able todo
braddunbar Mar 2, 2024
c040374
Merge branch 'master' of https://github.com/tokio-rs/bytes into redun…
braddunbar Mar 2, 2024
76dae7b
add a test for extending past lower limit
braddunbar Mar 3, 2024
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2 changes: 0 additions & 2 deletions src/bytes_mut.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1283,9 +1283,7 @@ impl Extend<u8> for BytesMut {

// TODO: optimize
// 1. If self.kind() == KIND_VEC, use Vec::extend
// 2. Make `reserve` inline-able
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@taiki-e taiki-e Mar 2, 2024 •
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I'm not sure what this TODO comment originally meant, but if it means something like "reserve (in here or put_u8) should be able to omit if the compiler knows the actual length of iter" it may not have been resolved yet.

(In my experience, the compiler optimizations around the reserve have not worked that well.)

EDIT: but seanmonstar who wrote this TODO comment approved this PR, so this is probably not the meaning I have imagined here.

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Thanks @taiki-e! I think it refers to #313, which was just after the introduction of the comment in #305. I should've mentioned that in my commit though. Thanks for taking a look!

for b in iter {
self.reserve(1);
self.put_u8(b);
}
}
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