transferTo
Removes all bytes from this source, writes them to sink, and returns the total number of bytes written to sink.
Return 0 if this source is exhausted.
Parameters
sink
the sink to which data will be written from this source.
Throws
when the source or sink is closed.
Samples
import kotlinx.io.*
import kotlin.test.*
fun main() {
//sampleStart
val src: Source = Buffer().also { it.writeString("Some data to transfer") }
val dst = Buffer().also { it.writeString("Transferred: ") }
src.transferTo(dst)
assertTrue(src.exhausted())
assertEquals("Transferred: Some data to transfer", dst.readString())
//sampleEnd
}