WriterTo is the interface that wraps the WriteTo method.
WriteTo writes data to w until there's no more data to write or when an error occurs. The return value n is the number of bytes written. Any error encountered during the write is also returned.
The Copy function uses WriterTo if available.
See also:
Fields
__underlying__():AnyInterface
Allows struct or interfaces to provide back type information.
Returns:
go.AnyInterface