最重要的是，通过使用标准的 Python 类型，只需要在一个地方声明（而不是添加更多的类、装饰器等），**FastAPI** 会为你完成很多的工作。

/// info

如果你已经阅读了所有教程，回过头来想了解有关类型的更多信息，<a href="https://mypy.readthedocs.io/en/latest/cheat_sheet_py3.html" class="external-link" target="_blank">来自 `mypy` 的"速查表"</a>是不错的资源。

func triggerExpiryAndRepl(ctx context.Context, o listPathOptions, obj metaCacheEntry) (skip bool) {
	versioned := o.Versioning != nil && o.Versioning.Versioned(obj.name)

	// skip latest object from listing only for regular
	// listObjects calls, versioned based listing cannot
	// filter out between versions 'obj' cannot be truncated
	// in such a manner, so look for skipping an object only

	}
	in.macros[name] = &Macro{
		name:   name,
		args:   args,
		tokens: tokens,
	}
}

// macroDefinition returns the list of formals and the tokens of the definition.
// The argument list is nil for no parens on the definition; otherwise a list of
// formal argument names.
func (in *Input) macroDefinition(name string) ([]string, []Token) {
	prevCol := in.Stack.Col()
	tok := in.Stack.Next()

	Marker string

	// Limit the number of results.
	Limit int

	// The number of disks to ask.
	AskDisks string

	// InclDeleted will keep all entries where latest version is a delete marker.
	InclDeleted bool

	// Scan recursively.
	// If false only main directory will be scanned.
	// Should always be true if Separator is n SlashSeparator.
	Recursive bool

* **Anforderungen** zu definieren: aus <abbr title="Request – Anfrage: Daten, die der Client zum Server sendet">Request</abbr>-Pfadparametern, Query-Parametern, Header-Feldern, Bodys, Abhängigkeiten, usw.
* **Daten umzuwandeln**: aus dem Request in den erforderlichen Typ.
* **Daten zu validieren**: aus jedem Request:
    * **Automatische Fehler** generieren, die an den Client zurückgegeben werden, wenn die Daten ungültig sind.
* Die API mit OpenAPI zu **dokumentieren**:

/// tip | Dica

O SQLModel terá utilitários de migração envolvendo o Alembic, mas por enquanto, você pode usar o <a href="https://alembic.sqlalchemy.org/en/latest/" class="external-link" target="_blank">Alembic</a> diretamente.

///

### Criar um Hero { #create-a-hero }

Example:

```sh
export MINIO_DOMAIN=mydomain.com
minio server /data
```

 *       appropriate factory method for details. View collections such as {@link
 *       ImmutableMultiset#elementSet} iterate in the same order as the parent, except as noted.
 *   <li><b>Thread safety.</b> It is safe to access this collection concurrently from multiple
 *       threads.
 *   <li><b>Integrity.</b> This type cannot be subclassed outside this package (which would allow

    } catch (UnsupportedOperationException | NullPointerException e) {
      // Expected.
    }
    assertInvariants(map);
  }

  public void testEntrySetSetValue() {
    // TODO: Investigate the extent to which, in practice, maps that support
    // put() also support Entry.setValue().
    if (!supportsPut) {
      return;
    }

    Map<K, V> map;
    V valueToSet;
    try {

  anticipate the inevitable network failures that accompany being physically
  disconnected from the network, and adjust it's behavior accordingly.

  It is more than simply understanding that m2 cannot go and check for the
  latest version of some snapshot artifact. If m2 is offline, SCM operations
  cannot succeed; no artifact downloads can take place, regardless of whether
  they are snapshot versions; artifact deployment cannot take place; certain