@J2ktIncompatible
@GwtIncompatible
public final class InetAddresses {
  private static final int IPV4_PART_COUNT = 4;
  private static final int IPV6_PART_COUNT = 8;
  private static final char IPV4_DELIMITER = '.';
  private static final char IPV6_DELIMITER = ':';
  private static final CharMatcher IPV4_DELIMITER_MATCHER = CharMatcher.is(IPV4_DELIMITER);
  private static final CharMatcher IPV6_DELIMITER_MATCHER = CharMatcher.is(IPV6_DELIMITER);

     */
    protected String generateId(final String urlId) {
        final StringBuilder encodedBuf = new StringBuilder(urlId.length() + 100);
        for (int i = 0; i < urlId.length(); i++) {
            final char c = urlId.charAt(i);
            if (c >= 'a' && c <= 'z' //
                    || c >= 'A' && c <= 'Z' //
                    || c >= '0' && c <= '9' //
                    || c == '.' //

   * scattered in memory and thus don't interfere much with each
   * other. But Atomic objects residing in arrays will tend to be
   * placed adjacent to each other, and so will most often share
   * cache lines (with a huge negative performance impact) without
   * this precaution.
   *
   * In part because Cells are relatively large, we avoid creating

        String n = this.name;

        // fix MSBROWSE name
        if (n == null) {
            n = "null";
        } else if (n.charAt(0) == 0x01) {
            final char c[] = n.toCharArray();
            c[0] = '.';
            c[1] = '.';
            c[14] = '.';
            n = new String(c);
        }

   *     </ul>
   */
  @Deprecated
  public static HashFunction sha1() {
    return Sha1Holder.SHA_1;
  }

  private static final class Sha1Holder {
    static final HashFunction SHA_1 = new MessageDigestHashFunction("SHA-1", "Hashing.sha1()");
  }

  /** Returns a hash function implementing the SHA-256 algorithm (256 hash bits). */
  public static HashFunction sha256() {

        if (context != null) {
            System.arraycopy(context, 0, input, pos, context.length);
        }

        // Use SHA-256 for derivation (placeholder)
        try {
            java.security.MessageDigest md = java.security.MessageDigest.getInstance("SHA-256");
            byte[] hash = md.digest(input);
            System.arraycopy(hash, 0, derived, 0, Math.min(length, hash.length));

			// invalid input; see issue #57926.)
			if decl.Recv != nil && len(decl.Recv.List) > 0 {
				recvType := decl.Recv.List[0].Type
				if recvType != nil {
					t := recvType
					if star, ok := unparen(t).(*ast.StarExpr); ok {
						t = star.X
					}
					if sel, ok := unparen(t).(*ast.SelectorExpr); ok {
						var buf strings.Builder
						format.Node(&buf, fset, recvType)

**NOTE:**

    private String unescape(final String s) {
        if (s.indexOf('\\') >= 0) {
            final StringBuilder sb = new StringBuilder();
            for (int i = 0; i < s.length(); i++) {
                final char ch = s.charAt(i);
                if (ch == '\\' && i < s.length() - 1) {
                    i++;
                    sb.append(s.charAt(i));
                } else {
                    sb.append(ch);

  - navigation.instant.prefetch
  - navigation.instant.progress
  - navigation.path
  - navigation.tabs
  - navigation.tabs.sticky
  - navigation.top
  - navigation.tracking
  - search.highlight
  - search.share
  - search.suggest
  - toc.follow
  icon:
    repo: fontawesome/brands/github-alt
  logo: img/icon-white.svg
  favicon: img/favicon.png
  language: en
repo_name: fastapi/fastapi