case *WithNode:
	default:
		panic("unknown node: " + n.String())
	}
	return false
}

// parse is the top-level parser for a template, essentially the same
// as itemList except it also parses {{define}} actions.
// It runs to EOF.
func (t *Tree) parse() {
	t.Root = t.newList(t.peek().pos)
	for t.peek().typ != itemEOF {
		if t.peek().typ == itemLeftDelim {
			delim := t.next()

		// Empty file.
		return false, nil
	} else if err != nil {
		return false, fmt.Errorf("error reading profile header: %w", err)
	}

	return string(hdr) == serializationHeader, nil
}

// FromSerialized parses a profile from serialization output of Profile.WriteTo.
func FromSerialized(r io.Reader) (*Profile, error) {
	d := emptyProfile()

	scanner := bufio.NewScanner(r)
	scanner.Split(bufio.ScanLines)

	if !scanner.Scan() {

	case 4:
		return uint64(byteorder.LeUint32(b))
	case 8:
		return uint64(byteorder.LeUint64(b))
	default:
		panic("syscall: readInt with unsupported size")
	}
}

// ParseDirent parses up to max directory entries in buf,
// appending the names to names. It returns the number of
// bytes consumed from buf, the number of entries added
// to names, and the new names slice.

)

// ExpirationDays is a type alias to unmarshal Days in Expiration
type ExpirationDays int

// UnmarshalXML parses number of days from Expiration and validates if
// greater than zero
func (eDays *ExpirationDays) UnmarshalXML(d *xml.Decoder, startElement xml.StartElement) error {
	var numDays int

		return fmt.Errorf("unexpected error while reading the trace: want something matching %q, got %s", e.errorMatcher, err.Error())
	}
	return nil
}

// ParseExpectation parses the serialized form of an Expectation.
func ParseExpectation(data []byte) (*Expectation, error) {
	exp := new(Expectation)
	s := bufio.NewScanner(bytes.NewReader(data))
	if s.Scan() {
		c := strings.SplitN(s.Text(), " ", 2)

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

// This is a sample chained plugin that supports multiple CNI versions. It
// parses prevResult according to the cniVersion
package plugin

import (
	"fmt"

	"github.com/containernetworking/plugins/pkg/ns"

	"istio.io/istio/pkg/log"
	"istio.io/istio/tools/istio-iptables/pkg/cmd"

		if langWant.major > defVers.major || (langWant.major == defVers.major && langWant.minor > defVers.minor) {
			log.Fatalf("invalid value %q for -lang: max known version is %q", base.Flag.Lang, def)
		}
	}
}

// parseLang parses a -lang option into a langVer.
func parseLang(s string) (lang, error) {
	if s == "go1" { // cmd/go's new spelling of "go1.0" (#65528)
		s = "go1.0"
	}

	matches := goVersionRE.FindStringSubmatch(s)

}

// SocketControlMessage represents a socket control message.
type SocketControlMessage struct {
	Header Cmsghdr
	Data   []byte
}

// ParseSocketControlMessage parses b as an array of socket control
// messages.
func ParseSocketControlMessage(b []byte) ([]SocketControlMessage, error) {
	var msgs []SocketControlMessage
	i := 0
	for i+CmsgLen(0) <= len(b) {

// license that can be found in the LICENSE file.

package raw

import (
	"bufio"
	"encoding/binary"
	"fmt"
	"io"

	"internal/trace/event"
	"internal/trace/version"
)

// Reader parses trace bytes with only very basic validation
// into an event stream.
type Reader struct {
	r     *bufio.Reader
	v     version.Version
	specs []event.Spec
}

// Make is a convenience wrapper for Parse that omits the error.
// In case of an error, a sensible default is returned.
func Make(s string) Tag {
	return Default.Make(s)
}

// Make is a convenience wrapper for c.Parse that omits the error.
// In case of an error, a sensible default is returned.
func (c CanonType) Make(s string) Tag {
	t, _ := c.Parse(s)
	return t
}