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by steveklabnik
3873 days ago
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You're mis-understanding. > Rust will ALWAYS memcpy() the params.
Right. This is "pass value by reference." The reference itself, the pointer, gets copied. Not what it points to. > Does Rust do this?
Rust's ABI is undefined, so officially, it doesn't do anything. That said, currently, it will take larger items and pass a pointer instead, if it makes sense to do so. |
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