import java.lang.invoke.MethodHandles;
import java.lang.invoke.VarHandle;
import java.nio.ByteOrder;

/** AFTER: the same access through a byte-array-view VarHandle (JDK 9). Bounds-checked; native byte order to match Unsafe. */
public final class ViewBytes {
    private ViewBytes() {}
    private static final VarHandle VIEW = MethodHandles.byteArrayViewVarHandle(long[].class, ByteOrder.nativeOrder());

    public static long get(byte[] a, int off) { return (long) VIEW.get(a, off); }
    public static void put(byte[] a, int off, long v) { VIEW.set(a, off, v); }
}