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

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import jcifs.dcerpc.DcerpcConstants;
import jcifs.dcerpc.DcerpcMessage;

@DisplayName("MsrpcSamrConnect2 Tests")
public class MsrpcSamrConnect2Test {

    private SamrPolicyHandle mockPolicyHandle;
    private String testServer;
    private int testAccess;

    @BeforeEach
    void setUp() {

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link ExecutionList}.
 *
 * @author Nishant Thakkar
 * @author Sven Mawson
 */
@NullUnmarked
public class ExecutionListTest extends TestCase {

  private final ExecutionList list = new ExecutionList();

 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class ListMultimapRemoveTester<K, V> extends AbstractListMultimapTester<K, V> {
  @MapFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(SEVERAL)

	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

     * This method checks whether a header comment can be defined (i.e. whether
     * this is the first comment in the loaded file). If this is the case, it is
     * searched for the lates blank line. This line will mark the end of the
     * header comment. The return value is the index of the first line in the
     * passed in list, which does not belong to the header comment.
     *

     * This method checks whether a header comment can be defined (i.e. whether
     * this is the first comment in the loaded file). If this is the case, it is
     * searched for the lates blank line. This line will mark the end of the
     * header comment. The return value is the index of the first line in the
     * passed in list, which does not belong to the header comment.
     *

import java.io.IOException;

import org.junit.jupiter.api.Test;
import org.mockito.ArgumentCaptor;

import jcifs.dcerpc.rpc;
import jcifs.smb.SID;
import jcifs.smb.SmbException;

/**
 * Tests for the SID class.
 */
class SIDTest {

    // A well-known SID for "Administrators"
    private final String adminSidString = "S-1-5-32-544";

 * ordinary tests.
 *
 * <p>Failure of the expected event to occur within an implementation-defined "reasonable" time
 * period or an interrupt while waiting for the expected event will result in a {@link
 * RuntimeException}.
 *
 * <p>Here's an example that tests a {@code finalize} method:
 *
 * {@snippet :