getBytes(_:length:)
Copies a number of bytes from the start of the data object into a given buffer.
Declaration
func getBytes(_ buffer: UnsafeMutableRawPointer, length: Int)Parameters
- buffer:
A buffer into which to copy data.
- length:
The number of bytes from the start of the receiver’s data to copy to
buffer.
Discussion
The number of bytes copied is the smaller of the length parameter and the length of the data encapsulated in the object.