[4.2][4/30][String] Define _copyContents for UTF8View #16352
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Define _copyContents on String.UTF8View, which allows it to efficiently memcpy bytes when the String is already in UTF-8 (or ASCII).
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@swift-ci please test |
milseman
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airspeedswift
approved these changes
May 3, 2018
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Define _copyContents on String.UTF8View, which allows it to
efficiently memcpy bytes when the String is already in UTF-8 (or
ASCII).
4/30 cherry-pick of #16313