Instance Method
append(_:count:)
iOS 8.0+
iPadOS 8.0+
Mac Catalyst 8.0+
macOS 10.10+
tvOS 9.0+
watchOS 2.0+
Appends the specified bytes from memory to the end of the data.
mutating func append(_ bytes: UnsafePointer<UInt8>, count: Int)Instance Method
mutating func append(_ bytes: UnsafePointer<UInt8>, count: Int)