pool.go

// Copyright 2025 TimeWtr
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package errors

import (
	"sync"
	"time"
)

// 对象池优化
var errorImplPool = sync.Pool{
	New: func() interface{} {
		return &ErrorImpl{
			metadata: make(map[string]any, 4), // 预分配
		}
	},
}

func acquireError() *ErrorImpl {
	obj := errorImplPool.Get().(*ErrorImpl)
	obj.code = ""
	obj.message = ""
	obj.httpStatus = 0
	obj.errType = ""
	obj.timestamp = time.Time{}
	obj.stackTrace = ""
	obj.cause = nil
	for k := range obj.metadata {
		delete(obj.metadata, k)
	}
	return obj
}