flag.Uint64Var(&value, "value", 0, "attribute value expects the value to be uint64")
	flag.BoolVar(&set, "set", false, "this is a set attribute operation")

	flag.Parse()

	if set && value == 0 {
		log.Fatalln("setting an attribute requires a non-zero value")
	}

	if !set && value > 0 {
		log.Fatalln("to set a value please specify --set along with --value")
	}

	return []clause.Interface{SoftDeleteQueryClause{Field: f, ZeroValue: parseZeroValueTag(f)}}
}

func parseZeroValueTag(f *schema.Field) sql.NullString {
	if v, ok := f.TagSettings["ZEROVALUE"]; ok {
		if _, err := now.Parse(v); err == nil {
			return sql.NullString{String: v, Valid: true}
		}
	}
	return sql.NullString{Valid: false}
}

type SoftDeleteQueryClause struct {
	ZeroValue sql.NullString
	Field     *schema.Field
}

type Macro struct {
	name   string   // The #define name.
	args   []string // Formal arguments.
	tokens []Token  // Body of macro.
}

// Tokenize turns a string into a list of Tokens; used to parse the -D flag and in tests.
func Tokenize(str string) []Token {
	t := NewTokenizer("command line", strings.NewReader(str), nil)
	var tokens []Token
	for {
		tok := t.Next()
		if tok == scanner.EOF {
			break

type ResyncTargetDecision struct {
	Replicate       bool
	ResetID         string
	ResetBeforeDate time.Time
}

var errInvalidReplicateDecisionFormat = fmt.Errorf("ReplicateDecision has invalid format")

// parse k-v pairs of target ARN to stringified ReplicateTargetDecision delimited by ',' into a
// ReplicateDecision struct
func parseReplicateDecision(ctx context.Context, bucket, s string) (r ReplicateDecision, err error) {

		if !r.Flags.Filter.CreatedBefore.IsZero() && r.Flags.Filter.CreatedBefore.Before(oi.ModTime) {
			// skip all objects that are created after the specified time.
			return true
		}

		if hasTags {
			// Only parse object tags if tags filter is specified.
			tagMap := map[string]string{}
			tagStr := oi.UserTags
			if len(tagStr) != 0 {
				t, err := tags.ParseObjectTags(tagStr)
				if err != nil {
					return false
				}

   */
  @get:JvmName("cacheControl")
  val cacheControl: CacheControl
    get() {
      var result = lazyCacheControl
      if (result == null) {
        result = CacheControl.parse(headers)
        lazyCacheControl = result
      }
      return result
    }

  @JvmName("-deprecated_url")
  @Deprecated(
    message = "moved to val",

    fpPattern =
        fpPattern.replace(
            "#",
            "+"
            );
    return
    java.util.regex.Pattern
        .compile(fpPattern);
  }

  /**
   * Parses the specified string as a double-precision floating point value. The ASCII character
   * {@code '-'} (<code>'&#92;u002D'</code>) is recognized as the minus sign.
   *

      }
    ```
=== ":material-language-java: Java"
    ```java
      public static final MediaType MEDIA_TYPE_MARKDOWN
          = MediaType.parse("text/x-markdown; charset=utf-8");

      private final OkHttpClient client = new OkHttpClient();

      public void run() throws Exception {
        String postBody = ""
            + "Releases\n"

func TestIsValidDBNameChar(t *testing.T) {
	for _, db := range []string{"db", "dbName", "db_name", "db1", "1dbname", "db$name"} {
		if fields := strings.FieldsFunc(db, IsValidDBNameChar); len(fields) != 1 {
			t.Fatalf("failed to parse db name %v", db)
		}
	}
}

func TestCheckTruth(t *testing.T) {
	checkTruthTests := []struct {
		v   string
		out bool
	}{
		{"123", true},
		{"true", true},
		{"", false},
		{"false", false},

	}

	if name := DB.Dialector.Name(); name == "postgres" || name == "mysql" || name == "gaussdb" {
		stmt := gorm.Statement{DB: DB}
		stmt.Parse(&Blog{})
		stmt.Schema.LookUpField("ID").Unique = true
		stmt.Parse(&Tag{})
		stmt.Schema.LookUpField("ID").Unique = true
		// postgers only allow unique constraint matching given keys
	}