[5.0] NSStringAPI: perf: UTF8 String -> Data #2175
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Currently, str.data(using:allowLossyConversion:) always bridges via NSString. As String is now natively UTF-8 we can fastpath this conversion in the case where the user requests UTF-8 encoding. Port of swiftlang/swift@a6fbc40 from the overlay.
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@swift-ci test |
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@weissi let's make Linux faster than Darwin :-) |
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Currently, str.data(using:allowLossyConversion:) always bridges via
NSString.
As String is now natively UTF-8 we can fastpath this conversion in the
case where the user requests UTF-8 encoding.
Port of
swiftlang/swift@a6fbc40
from the overlay.
Backport of 7704c94.