Ulrik Sverdrup 2d6496dd84 Use .copy_from_slice() where applicable
.copy_from_slice() does the same job of .clone_from_slice(), but the
former is explicitly for Copy elements and calls `memcpy` directly, and
thus is it efficient without optimization too.
2016-02-26 14:51:38 +01:00
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2016-02-26 14:51:38 +01:00