* iterable is empty, {@code Optional.absent()} is returned.
   *
   * <p><b>{@code Stream} equivalent:</b> if the goal is to obtain any element, {@link
   * Stream#findAny}; if it must specifically be the <i>first</i> element, {@code Stream#findFirst}.
   *
   * @throws NullPointerException if the first element is null; if this is a possibility, use {@code

   * href="http://gee.cs.oswego.edu/dl/html/StreamParallelGuidance.html">efficiently splittable</a>
   * streams.
   *
   * <p>If the stream has nondeterministic order, this has equivalent semantics to {@link
   * Stream#findAny} (which you might as well use).
   *
   * @see Stream#findFirst()
   * @throws NullPointerException if the last element of the stream is null
   */
  /*

                        .flatMap(r -> r.getProblems().stream())
                        .filter(p -> p.getException() instanceof CycleDetectedException)
                        .findAny()
                        .orElse(null);
                if (cycle != null) {
                    throw new RuntimeException(new ProjectCycleException(

   * iterator whether it has any elements <i>remaining</i> (which one does using {@link
   * Iterator#hasNext}).
   *
   * <p><b>{@code Stream} equivalent:</b> {@code !stream.findAny().isPresent()}
   *
   * @return {@code true} if the iterable contains no elements
   */
  public static boolean isEmpty(Iterable<?> iterable) {
    if (iterable instanceof Collection) {

   * iterator whether it has any elements <i>remaining</i> (which one does using {@link
   * Iterator#hasNext}).
   *
   * <p><b>{@code Stream} equivalent:</b> {@code !stream.findAny().isPresent()}
   *
   * @return {@code true} if the iterable contains no elements
   */
  public static boolean isEmpty(Iterable<?> iterable) {
    if (iterable instanceof Collection) {

# because it cannot resolve x, y, and z simultaneously.
! go mod tidy

cmp go.mod go.mod.orig

stderr '^go: finding module for package example\.net/w$'
stderr '^go: finding module for package example\.net/x$'
stderr -count=2 '^go: finding module for package example\.net/y$'
stderr -count=2 '^go: finding module for package example\.net/z$'
stderr '^go: found example\.net/x in example\.net/x v0.1.0$'

exec $WORK/testimport$GOEXE gobuild.example.com/x/y/z/w .
stdout w1.go
cd w
exec $WORK/testimport$GOEXE gobuild.example.com/x/y/z/w ..
stdout w1.go

# go/build's Import in FindOnly mode should find directories by invoking the go command
#
# Calling build.Import in build.FindOnly mode on an import path of a Go package
# that produces errors when loading (e.g., due to build constraints not matching

-- list-missing-expected --
go: finding module for package example.com/badchain/c
go: found example.com/badchain/c in example.com/badchain/c v1.1.0
go: m/use imports
	example.com/badchain/c: example.com/badchain/c@v1.1.0: parsing go.mod:
	module declares its path as: badchain.example.com/c
	        but was required as: example.com/badchain/c
-- list-missing-test-expected --
go: finding module for package example.com/badchain/c

					ii = v.Int64()
				case KindUint64:
					u = v.Uint64()
				case KindFloat64:
					f = v.Float64()
				case KindBool:
					bb = v.Bool()
				case KindDuration:
					d = v.Duration()
				case KindAny:
					a = v.Any()
				default:
					panic("bad kind")
				}
			}
		}
		_ = ii
		_ = s
		_ = bb
		_ = u
		_ = d
		_ = f
		_ = a

	})
	b.Run("As", func(b *testing.B) {

)

// Kind is the kind of a [Value].
type Kind int

// The following list is sorted alphabetically, but it's also important that
// KindAny is 0 so that a zero Value represents nil.

const (
	KindAny Kind = iota
	KindBool
	KindDuration
	KindFloat64
	KindInt64
	KindString
	KindTime
	KindUint64
	KindGroup
	KindLogValuer
)

var kindStrings = []string{