return &SkipReader{r, n}
}

var copyBufPool = sync.Pool{
	New: func() interface{} {
		b := make([]byte, 32*1024)
		return &b
	},
}

// Copy is exactly like io.Copy but with reusable buffers.
func Copy(dst io.Writer, src io.Reader) (written int64, err error) {
	bufp := copyBufPool.Get().(*[]byte)
	buf := *bufp
	defer copyBufPool.Put(bufp)

	return io.CopyBuffer(dst, src, buf)
}