source: code/trunk/vendor/github.com/sirupsen/logrus/buffer_pool.go@ 70

package logrus

import (
        "bytes"
        "sync"
)

var (
        bufferPool BufferPool
)

type BufferPool interface {
        Put(*bytes.Buffer)
        Get() *bytes.Buffer
}

type defaultPool struct {
        pool *sync.Pool
}

func (p *defaultPool) Put(buf *bytes.Buffer) {
        p.pool.Put(buf)
}

func (p *defaultPool) Get() *bytes.Buffer {
        return p.pool.Get().(*bytes.Buffer)
}

// SetBufferPool allows to replace the default logrus buffer pool
// to better meets the specific needs of an application.
func SetBufferPool(bp BufferPool) {
        bufferPool = bp
}

func init() {
        SetBufferPool(&defaultPool{
                pool: &sync.Pool{
                        New: func() interface{} {
                                return new(bytes.Buffer)
                        },
                },
        })
}