* used; or if the class exposes a public parameter-less constructor then it will be "new"d and
 * returned.
 *
 * <p>All default instances returned by {@link #get} are generics-safe. Clients won't get type
 * errors for using {@code get(Comparator.class)} as a {@code Comparator<Foo>}, for example.
 * Immutable empty instances are returned for collection types; {@code ""} for string; {@code 0} for

http://localhost:8000/items/
```

значение по умолчанию для `q` будет: `["foo", "bar"]`, и ответом будет:

```JSON
{
  "q": [
    "foo",
    "bar"
  ]
}
```

#### Просто `list` { #using-just-list }

Можно использовать `list` напрямую вместо `list[str]`:

{* ../../docs_src/query_params_str_validations/tutorial013_an_py39.py hl[9] *}

/// note | Технические детали

		}
	} else {
		// We still need to ensure that the target user is a valid LDAP user.
		//
		// The target user may be supplied as a (short) username or a DN.
		// However, for now, we only support using the short username.

		isDN := globalIAMSys.LDAPConfig.ParsesAsDN(targetUser)
		opts.claims[ldapUserN] = targetUser // simple username
		var lookupResult *xldap.DNSearchResult

//go:build darwin || dragonfly || freebsd || illumos || linux || netbsd || openbsd

// This program can be used as go_android_GOARCH_exec by the Go tool.
// It executes binaries on an android device using adb.
package main

import (
	"bytes"
	"errors"
	"fmt"
	"io"
	"log"
	"os"
	"os/exec"
	"os/signal"
	"path"
	"path/filepath"
	"regexp"
	"runtime"
	"strconv"
	"strings"
	"sync"

//      output tensor naming, but it the index is actually an input index)
struct EdgeSpec : public std::pair<string, string> {
  typedef std::pair<string, string> Base;

  // Inherit the set of constructors
  using Base::pair;

  string ToString() const { return absl::StrCat(first, "->", second); }
};

class CApiFunctionTest : public ::testing::Test {
 protected:
  CApiFunctionTest()
      : s_(TF_NewStatus()),

 * browsers over consistency with obsolete specifications.
 *
 * ### Paths and Queries should decompose
 *
 * Neither of the built-in URL models offer direct access to path segments or query parameters.
 * Manually using `StringBuilder` to assemble these components is cumbersome: do '+' characters get
 * silently replaced with spaces? If a query parameter contains a '&', does that get escaped?

        return this.inDfs;
    }

    /**
     *
     */
    void markDomainDfs() {
        this.inDomainDfs = true;
    }

    /**
     * @return whether this tree was accessed using domain DFS
     */
    public boolean isInDomainDfs() {
        return this.inDomainDfs;
    }

    /**
     * @param referral
     */
    public void setTreeReferral(final DfsReferralData referral) {

    // we need to keep this in a flag because t.isInterrupted() returns false after t.join()
    AtomicBoolean interrupted = new AtomicBoolean();
    // we need to use another thread because it will be interrupted and thus using
    // the current one, owned by JUnit, would make the test fail
    Thread thread =
        new Thread(
            new Runnable() {
              @Override
              public void run() {

 * is not guaranteed to traverse the elements of the MonitorBasedPriorityBlockingQueue in
 * any particular order. If you need ordered traversal, consider using {@code
 * Arrays.sort(pq.toArray())}. Also, method {@code drainTo} can be used to remove some or
 * all elements in priority order and place them in another collection.
 *

```

////

//// tab | Python 3.9+ Alternative

```Python hl_lines="1  4"
{!> ../../docs_src/python_types/tutorial009b_py39.py!}
```

////

#### `Union` oder `Optional` verwenden? { #using-union-or-optional }

Wenn Sie eine Python-Version unterhalb 3.10 verwenden, hier ist mein sehr **subjektiver** Standpunkt dazu:

* 🚨 Vermeiden Sie `Optional[SomeType]`