*> Is that to have a way to reliably avoid memcopying large objects when passing... | Hacker News

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kibwen 11 months ago | parent | context | favorite | on: Group Borrowing: Zero-cost memory safety with fewe...

> Is that to have a way to reliably avoid memcopying large objects when passing them by value?

I believe so, yes. Currently the only way to transfer ownership is by-value, and LLVM might optimize away the memcpy, but also it might not.

codedokode 11 months ago [–]

I wonder what is the case when you cannot optimize away memcpy, but can work around it with an "owning reference"?

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