通過 **FastAPI** 你可以獲得所有 **Starlette** 的特性（FastAPI 就像加強版的 Starlette）：

* 性能極其出色。它是 <a href="https://github.com/encode/starlette#performance" class="external-link" target="_blank">Python 可用的最快框架之一，和 **NodeJS** 及 **Go** 相當</a>。
* **支援 WebSocket**。
* 能在行程內處理背景任務。
* 支援啟動和關閉事件。
* 有基於 HTTPX 的測試用戶端。
* 支援 **CORS**、GZip、靜態檔案、串流回應。
* 支援 **Session 和 Cookie** 。
* 100% 測試覆蓋率。
* 100% 型別註釋的程式碼庫。

## Pydantic 特性

import javax.xml.transform.stream.StreamResult
import org.w3c.dom.Document
import org.w3c.dom.Element
import org.w3c.dom.Node

class XIncludeAwareXmlProvider {

    Document root

    Element parse(File sourceFile) {
        root = parseSourceFile(sourceFile)
        root.documentElement
    }

    Node emptyDoc() {
        root = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument()
    }

}

// GetLocks - fetch older locks for a remote node.
func (client *peerRESTClient) GetLocks(ctx context.Context) (lockMap map[string][]lockRequesterInfo, err error) {
	resp, err := getLocksRPC.Call(ctx, client.gridConn(), grid.NewMSS())
	if err != nil || resp == nil {
		return nil, err
	}
	return *resp, nil
}

// LocalStorageInfo - fetch server information for a remote node.

using tensorflow::FunctionDef;
using tensorflow::Node;
using tensorflow::NodeBuilder;
using tensorflow::Status;
using tensorflow::errors::InvalidArgument;

namespace {
typedef std::unique_ptr<TF_Function, decltype(&TF_DeleteFunction)>
    UniqueFuncPtr;
}

// struct TF_Operation { tensorflow::Node node; };
static TF_Operation* ToTF_Operation(Node* node) {
  return static_cast<TF_Operation*>(static_cast<void*>(node));

                if (nodeOffset > 0) {
                    node = readString(buffer, start + nodeOffset, len, (flags2 & FLAGS2_UNICODE) != 0);
                }
            } else if (version == 1) {
                node = readString(buffer, bufferIndex, len, (flags2 & FLAGS2_UNICODE) != 0);
            }

            return size;
        }

                isPermanent = ((src[srcIndex + 16] & 0x02) == 0x02) == true;

                /* The NbtAddress object used to query this node will be in the list
                 * returned by the Node Status. A new NbtAddress object should not be
                 * created for it because the original is potentially being actively

    /**
     * Sets the filter used to exclude some dependencies from resolution. Note that this filter only controls the
     * resolution/download of dependency artifacts, not the inclusion of dependency nodes in the resolved dependency
     * graph.
     *
     * @param filter The filter to exclude dependencies from resolution, may be {@code null} to resolve all
     *            dependencies.

---

##### GLOBAL METADATA

- meta:
    cluster: elasticsearch-ci

##### JOB DEFAULTS

- job:
    vault:
      url: https://secrets.elastic.co:8200
      role_id: 1ba1ac3e-aee4-d040-d9a3-6ae23bd2b3db
    node: "general-purpose"
    concurrent: true
    logrotate:
      daysToKeep: 30
      numToKeep: 500
      artifactDaysToKeep: 7
    parameters:
      - string:
          name: branch_specifier

        ExtensionInterpolator(UnaryOperator<String> transformer) {
            super(transformer);
        }

        public XmlNode transform(XmlNode node) {
            return super.transform(node);
        }
    }

            isPermanent = ((src[srcIndex + 16] & 0x02) == 0x02) == true;

            /*
             * The NbtAddress object used to query this node will be in the list
             * returned by the Node Status. A new NbtAddress object should not be
             * created for it because the original is potentially being actively