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use copy_from_slice instead of for loop #5647
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tomusdrw
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A8-looksgood 🦄
tomusdrw
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May 18, 2017
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in general, LLVM will lift simple loops like this to memcpy/memmove, but this also gives a readability bonus. thanks! |
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According to the doc here: https://doc.rust-lang.org/std/primitive.slice.html#method.copy_from_slice
It will use memcpy under the hood, so I think it has slightly better performance.