!!! note "技术细节"
    你也可以使用 `from starlette.responses import JSONResponse`。　

    出于方便，**FastAPI** 为开发者提供同 `starlette.responses` 一样的 `fastapi.responses`。但是大多数可用的响应都是直接来自 Starlette。`status` 也是一样。

## OpenAPI 和 API 文档

如果你直接返回额外的状态码和响应，它们不会包含在 OpenAPI 方案（API 文档）中，因为 FastAPI 没办法预先知道你要返回什么。

Carlos Amedee <******@****.***> 1715265901 -0400

package runtime

import "unsafe"

// OS memory management abstraction layer
//
// Regions of the address space managed by the runtime may be in one of four
// states at any given time:
// 1) None - Unreserved and unmapped, the default state of any region.
// 2) Reserved - Owned by the runtime, but accessing it would cause a fault.
//               Does not count against the process' memory footprint.

// properly.
func rtaAlignOf(attrlen int) int {
	return (attrlen + RTA_ALIGNTO - 1) & ^(RTA_ALIGNTO - 1)
}

// NetlinkRouteRequest represents a request message to receive routing
// and link states from the kernel.
type NetlinkRouteRequest struct {
	Header NlMsghdr
	Data   RtGenmsg
}

func (rr *NetlinkRouteRequest) toWireFormat() []byte {
	b := make([]byte, rr.Header.Len)

	// Reconciler runs a periodic loop to reconcile the desired state of the with
	// the actual state of the world by triggering attach detach operations.
	// This flag enables or disables reconcile.  Is false by default, and thus enabled.
	DisableAttachDetachReconcilerSync bool
	// ReconcilerSyncLoopPeriod is the amount of time the reconciler sync states loop
	// wait between successive executions. Is set to 60 sec by default.

// limitations under the License.

// Package ledger implements a modified map with three unique characteristics:
// 1. every unique state of the map is given a unique hash
// 2. prior states of the map are retained for a fixed period of time
// 2. given a previous hash, we can retrieve a previous state from the map, if it is still retained.
package ledger

import (
	"encoding/base64"
	"time"

	"github.com/spaolacci/murmur3"
)

func (b *boolCond) Eval(s *State, suffix string) (bool, error) {
	if suffix != "" {
		return false, ErrUsage
	}
	return b.v, nil
}

// OnceCondition returns a Cond that calls eval the first time the condition is
// evaluated. Future calls reuse the same result.
//
// The eval function is not passed a *State because the condition is cached
// across all execution states and must not vary by state.

{
    "formatVersion": "1.0",
    "component": {
        "group": "org.gradle.test",
        "module": "publishTest",
        "version": "1.9",
        "attributes": {
            "org.gradle.status": "milestone"
        }
    }

    status: "True"
    type: Programmed
  listeners:
  - attachedRoutes: 1
    conditions:
    - lastTransitionTime: fake
      message: No errors found
      reason: Accepted
      status: "True"
      type: Accepted
    - lastTransitionTime: fake
      message: No errors found
      reason: NoConflicts
      status: "False"
      type: Conflicted
    - lastTransitionTime: fake
      message: No errors found

spec: null
status:
  conditions:
  - lastTransitionTime: fake
    message: Resource accepted
    reason: Accepted
    status: "True"
    type: Accepted
  - lastTransitionTime: fake
    message: 'Failed to assign to any requested addresses: hostname "isolation-istio.gateway-conformance-infra.svc.domain.suffix"
      not found'
    reason: AddressNotUsable
    status: "False"
    type: Programmed