(dst io.Writer, src io.Reader)
| 14 | } |
| 15 | |
| 16 | func Copy(dst io.Writer, src io.Reader) (written int64, err error) { |
| 17 | _, okWriteTo := src.(io.WriterTo) |
| 18 | _, okReadFrom := dst.(io.ReaderFrom) |
| 19 | var buffer []byte = nil |
| 20 | |
| 21 | if !(okWriteTo || okReadFrom) { |
| 22 | buffer = bufferPool.Get().([]byte) |
| 23 | defer bufferPool.Put(buffer) |
| 24 | } |
| 25 | |
| 26 | return io.CopyBuffer(dst, src, buffer) |
| 27 | } |