strbuf.go

/*
 * Copyright 2021 CloudWeGo Authors
 *
 * 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.
 */

//lint:file-ignore SA6002 allocations cannot be avoided

package utils

import (
	"strconv"
	"strings"
	"sync"
)

var intBytesPool = sync.Pool{
	New: func() interface{} {
		return make([]byte, 0, 20)
	},
}

// WriteInt64ToStringBuilder writes a int64 to a strings.Builder.
func WriteInt64ToStringBuilder(sb *strings.Builder, value int64) {
	bs := intBytesPool.Get().([]byte)
	bs = strconv.AppendInt(bs, value, 10)
	sb.Write(bs)
	intBytesPool.Put(bs[:0])
}