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Instance Method

withContiguousStorageIfAvailable(_:)

iOS 8.0+ iPadOS 8.0+ Mac Catalyst 8.0+ macOS 10.10+ tvOS 9.0+ watchOS 2.0+ 
func withContiguousStorageIfAvailable<E, ResultType>(_ body: (UnsafeBufferPointer<UInt8>) throws(E) -> ResultType) throws(E) -> ResultType? where E : Error, ResultType : ~Copyable