vendor/go.uber.org/zap/buffer/pool.go

// Copyright (c) 2016 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package buffer

import (
	"go.uber.org/zap/internal/pool"
)

// A Pool is a type-safe wrapper around a sync.Pool.
type Pool struct {
	p *pool.Pool[*Buffer]
}

// NewPool constructs a new Pool.
func NewPool() Pool {
	return Pool{
		p: pool.New(func() *Buffer {
			return &Buffer{
				bs: make([]byte, 0, _size),
			}
		}),
	}
}

// Get retrieves a Buffer from the pool, creating one if necessary.
func (p Pool) Get() *Buffer {
	buf := p.p.Get()
	buf.Reset()
	buf.pool = p
	return buf
}

func (p Pool) put(buf *Buffer) {
	p.p.Put(buf)
}