package buf // import "go.unistack.org/micro/v4/util/buf"

import (
	"bytes"
	"io"
)

var _ io.Closer = &Buffer{}

// Buffer bytes.Buffer wrapper to satisfie io.Closer interface
type Buffer struct {
	*bytes.Buffer
}

// Close reset buffer contents
func (b *Buffer) Close() error {
	b.Buffer.Reset()
	return nil
}

// New creates new buffer that satisfies Closer interface
func New(b *bytes.Buffer) *Buffer {
	if b == nil {
		b = bytes.NewBuffer(nil)
	}
	return &Buffer{b}
}