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Make ThinVec::new constant #54

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schungx opened this issue Feb 1, 2024 · 2 comments
Open

Make ThinVec::new constant #54

schungx opened this issue Feb 1, 2024 · 2 comments

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@schungx
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schungx commented Feb 1, 2024 •
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I am not sure if there are any technical blockers on this... can ThinVec::new be made const?

Having to reinitialize every instance causes a very slight regression when I moved from Vec to ThinVec. I'd much rather it copies from pre-generated bits based on const.
@schungx
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schungx commented Jul 6, 2024

Any chance to do this?

@zachs18
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zachs18 commented Aug 1, 2024

Since a single, shared static header is used for empty ThinVecs, having the current ThinVec::new be a const fn is only possible once Rust's const_refs_to_static feature becomes stable.

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@schungx @zachs18