if e.err != nil {
		return 0, e.err
	}
	return len(b), nil
}

// Chooses the filter to use for encoding the current row, and applies it.
// The return value is the index of the filter and also of the row in cr that has had it applied.
func filter(cr *[nFilter][]byte, pr []byte, bpp int) int {
	// We try all five filter types, and pick the one that minimizes the sum of absolute differences.

// Elem returns the element type for the given pointer p.
func (p *Pointer) Elem() Type { return p.base }

func (p *Pointer) Underlying() Type { return p }

	"path"
	"slices"
	"strings"
	"time"
)

// Writer provides sequential writing of a tar archive.
// [Writer.WriteHeader] begins a new file with the provided [Header],
// and then Writer can be treated as an io.Writer to supply that file's data.
type Writer struct {
	w    io.Writer
	pad  int64      // Amount of padding to write after current file entry
	curr fileWriter // Writer for current file entry

import "io"

const lineMaxLen = 76

// A Writer is a quoted-printable writer that implements [io.WriteCloser].
type Writer struct {
	// Binary mode treats the writer's input as pure binary and processes end of
	// line bytes as binary data.
	Binary bool

	w    io.Writer
	i    int
	line [78]byte
	cr   bool
}

// NewWriter returns a new [Writer] that writes to w.
func NewWriter(w io.Writer) *Writer {

// NewWriter creates a new byte format writer.
func NewWriter(w io.Writer, v version.Version) (*Writer, error) {
	_, err := version.WriteHeader(w, v)
	return &Writer{w: w, v: v, specs: v.Specs()}, err
}

// WriteEvent writes a single event to the trace wire format stream.
func (w *Writer) WriteEvent(e Event) error {
	// Check version.
	if e.Version != w.v {

	return func(h *dependency) {
		// Translate to a key lookup
		h.filter.keys = smallset.New(keyFunc(name.Name, name.Namespace))
	}
}

func FilterKey(k string) FetchOption {
	return func(h *dependency) {
		h.filter.keys = smallset.New(k)
	}
}

func FilterKeys(k ...string) FetchOption {
	return func(h *dependency) {
		h.filter.keys = smallset.New(k...)
	}
}

// See the License for the specific language governing permissions and
// limitations under the License.

package ptr

import (
	"fmt"
)

// Of returns a pointer to the input. In most cases, callers should just do &t. However, in some cases
// Go cannot take a pointer. For example, `ptr.Of(f())`.
func Of[T any](t T) *T {
	return &t
}

// OrEmpty returns *t if its non-nil, or else an empty T
func OrEmpty[T any](t *T) T {

	if len(lit.Elts) < n {
		lit.Incomplete = true
	}
}

func filterExprList(list []Expr, filter Filter, export bool) []Expr {
	j := 0
	for _, exp := range list {
		switch x := exp.(type) {
		case *CompositeLit:
			filterCompositeLit(x, filter, export)
		case *KeyValueExpr:
			if x, ok := x.Key.(*Ident); ok && !filter(x.Name) {
				continue
			}

// is a *[Writer].
func NewWriter(w io.Writer, order Order, litWidth int) io.WriteCloser {
	return newWriter(w, order, litWidth)
}

func newWriter(dst io.Writer, order Order, litWidth int) *Writer {
	w := new(Writer)
	w.init(dst, order, litWidth)
	return w
}

func (w *Writer) init(dst io.Writer, order Order, litWidth int) {
	switch order {
	case LSB:

	var fun0 unsafe.Pointer
imethods:
	for k := 0; k < ni; k++ {
		i := &inter.Methods[k]
		itype := toRType(&inter.Type).typeOff(i.Typ)
		name := toRType(&inter.Type).nameOff(i.Name)
		iname := name.Name()
		ipkg := pkgPath(name)
		if ipkg == "" {
			ipkg = inter.PkgPath.Name()
		}
		for ; j < nt; j++ {
			t := &xmhdr[j]
			rtyp := toRType(typ)