## Без Pydantic { #without-pydantic }

    };
  }

  @J2ktIncompatible
  @GwtIncompatible // java.lang.reflect
  private static Object invokeAccessibleNonThrowingMethod(
      Method method, Object receiver, Object... params) {
    try {
      return method.invoke(receiver, params);
    } catch (IllegalAccessException e) {
      throw new RuntimeException(e);
    } catch (InvocationTargetException e) {
      throw propagate(e.getCause());
    }
  }

import importlib

import pytest
from fastapi.testclient import TestClient
from inline_snapshot import snapshot


@pytest.fixture(
    name="client",
    params=[
        "app_an_py310.main",
    ],
)
def get_client(request: pytest.FixtureRequest):
    mod = importlib.import_module(f"docs_src.bigger_applications.{request.param}")

    client = TestClient(mod.app)
    return client

`str | None` 并不是 FastAPI 用来判断是否必填的依据；是否必填由是否有默认值 `= None` 决定。

但添加这些类型注解可以让你的编辑器提供更好的支持并检测错误。

///

## 不使用 Pydantic { #without-pydantic }

	// MinIOCompressed is returned when object is compressed
	MinIOCompressed = "X-Minio-Compressed"

	// SUBNET related
	SubnetAPIKey = "x-subnet-api-key"
)

// Common http query params S3 API
const (
	VersionID = "versionId"

	PartNumber = "partNumber"

	UploadID = "uploadId"
)

// http headers sent to webhook targets
const (
	// Reports the version of MinIO server

但加入這些型別註解能讓你的編輯器提供更好的支援與錯誤偵測。

///

## 不使用 Pydantic { #without-pydantic }

				"X-Amz-Content-Sha256": payloadSHA256,
			},
			region:   "",
			expected: ErrSignatureDoesNotMatch,
		},
		// (8) Should error with signature does not match. But handles
		// query params which do not precede with "x-amz-" header.
		{
			queryParams: map[string]string{
				"X-Amz-Algorithm":       signV4Algorithm,
				"X-Amz-Date":            now.Format(iso8601Format),
				"X-Amz-Expires":         "60",

        try {
            final SearchRenderData data = new SearchRenderData();
            final ChatSearchRequestParams params =
                    new ChatSearchRequestParams("url:\"" + escapeQueryValue(url) + "\"", maxDocs, fessConfig);

            ComponentUtil.getSearchHelper().search(params, data, OptionalThing.empty());

            @SuppressWarnings("unchecked")

from fastapi.openapi.docs import (
    get_redoc_html,
    get_swagger_ui_html,
    get_swagger_ui_oauth2_redirect_html,
)
from fastapi.openapi.utils import get_openapi
from fastapi.params import Depends
from fastapi.types import DecoratedCallable, IncEx
from fastapi.utils import generate_unique_id
from starlette.applications import Starlette
from starlette.datastructures import State

                        return 0;
                    }
                };
                params.q = query;
                final SearchRenderData data = new SearchRenderData();
                searchHelper.search(params, data, userBean);
                if (logger.isDebugEnabled()) {
                    logger.debug("loaded facet data: {}", data);
                }