func ExampleSample() {
stream.Run(
stream.Numbers(100, 200),
stream.Sample(4),
stream.WriteLines(os.Stdout),
)
// Output not checked since it is non-deterministic.
}
func BenchmarkSample(b *testing.B) {
stream.Run(
stream.Repeat("hello", b.N),
stream.Sample(10),
)
}