Initializer
init(buffer:)
iOS 8.0+
iPadOS 8.0+
Mac Catalyst 8.0+
macOS 10.10+
tvOS 9.0+
watchOS 2.0+
Creates a data buffer with copied memory content using a buffer pointer.
init<SourceType>(buffer: UnsafeBufferPointer<SourceType>)Parameters
bufferA buffer pointer to copy. The size is calculated from
SourceTypeandbuffer.count.