directoryHeaderSignature = 0x02014b50
	directoryEndSignature    = 0x06054b50
	directory64LocSignature  = 0x07064b50
	directory64EndSignature  = 0x06064b50
	dataDescriptorSignature  = 0x08074b50 // de-facto standard; required by OS X Finder
	fileHeaderLen            = 30         // + filename + extra
	directoryHeaderLen       = 46         // + filename + extra + comment
	directoryEndLen          = 22         // + comment

		if f == "" || len(f)%2 != 0 || strings.TrimLeft(f, "0123456789abcdef") != "" {
			return false
		}
	}
	return true
}

// It would be nice if the error messages always began with
// the standard file:line: prefix,
// but that's not where we are today.
// It might be at the beginning but it might be in the middle of the printed instruction.

Also, there might be tools that expect and use it (now or in the future) and that might be useful for you or your users, now or in the future.

That's the benefit of standards...

///

## See it in action { #see-it-in-action }

Open the interactive docs: <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

  @InlineMe(replacement = "Boolean.hashCode(value)")
  public static int hashCode(boolean value) {
    return Boolean.hashCode(value);
  }

  /**
   * Compares the two specified {@code boolean} values in the standard way ({@code false} is
   * considered less than {@code true}). The sign of the value returned is the same as that of
   * {@code ((Boolean) a).compareTo(b)}.
   *

  @InlineMe(replacement = "Boolean.hashCode(value)")
  public static int hashCode(boolean value) {
    return Boolean.hashCode(value);
  }

  /**
   * Compares the two specified {@code boolean} values in the standard way ({@code false} is
   * considered less than {@code true}). The sign of the value returned is the same as that of
   * {@code ((Boolean) a).compareTo(b)}.
   *

///

For example, this custom validator checks that the item ID starts with `isbn-` for an <abbr title="ISBN means International Standard Book Number">ISBN</abbr> book number or with `imdb-` for an <abbr title="IMDB (Internet Movie Database) is a website with information about movies">IMDB</abbr> movie URL ID:

<div class="termy">

```console
$ pip install uvicorn[standard]

---> 100%
```

</div>

## Приклад

### Створіть

* Створіть файл `main.py` з:

```Python
from typing import Union

from fastapi import FastAPI

	// RestoreExpires indicates date a restored object expires
	RestoreExpires time.Time

	// RestoreOngoing indicates if a restore is in progress
	RestoreOngoing bool

	// A standard MIME type describing the format of the object.
	ContentType string

	// Specifies what content encodings have been applied to the object and thus
	// what decoding mechanisms must be applied to obtain the object referenced

		}
		return
	}

	objInfo := ObjectInfo{
		Bucket:  bucket,
		Name:    file.Name,
		Size:    int64(file.UncompressedSize64),
		ModTime: zipObjInfo.ModTime,
	}

	// Set standard object headers.
	if err = setObjectHeaders(ctx, w, objInfo, nil, opts); err != nil {
		writeErrorResponseHeadersOnly(w, toAPIError(ctx, err))
		return
	}

	// s3zip does not allow ranges.

 * every module to patch.</p>
 *
 * <p>Path types are often exclusive. For example, a dependency should not be both on the Java class path
 * and on the Java module path.</p>
 *
 * <h2>Relationship with Java compiler standard location</h2>
 * This enumeration is closely related to the {@link JavaFileManager.Location} enumerations.
 * A difference is that the latter enumerates input and output files, while {@code JavaPathType}