message: Do not use memcpy in Go
diff: @@ -133,7 +133,8 @@ func (g *Graph) ImportWithOptions(def []byte, options GraphImportOptions) error
  return fmt.Errorf("unable to allocate memory")
  }
  defer C.free(buf.data)
  - C.memcpy(buf.data, unsafe.Pointer(&def[0]), buf.length)
  + pbuf := (*[1 << 30]byte)(buf.data)
  + copy(pbuf[:], def)
  status := newStatus()
  