a question sbcl integration

[james anderson]

On 27 Jan 2014, at 12:58 PM, Anton Vodonosov wrote:

> 27.01.2014, 15:53, "Anton Vodonosov" <avodonosov at yandex.ru>:
>> 27.01.2014, 15:51, "james anderson" <james.anderson at setf.de>:
>> 
>>>  good afternoon;
>>> 
>>>  what was the intent with respect to the implementation for stream-
>>>  file-position present in sbcl?
>>>  the trivial-gray-streams package definition is clear to distinguish
>>>  symbols and the mixins file defines methods on the respective sb-gray
>>>  symbol, but there is nothin apparent to serve to delegate from the
>>>  trivial-gray-streams function to the sb-gray operator.
>>> 
>>>  how was this intended to work?
>>> 
>>>  best regards, from berlin,
>> 
>> trivial-gray-streams:stream-file-position and sb-gray:stream-file-position
>> is the same symbol. Trivial-gray-streams just re-exports it, there is now
>> separate function.
> 
> Ignore the above response.
> 
i did.

> See the definition of method for sb-gray:stream-file-position 
> in the stream.lisp, under the #+sbcl
> 
>>> but there is nothin apparent to serve to delegate from the
>>>  trivial-gray-streams function to the sb-gray operator.
> 
> Note, that it works other way around, from sb-gray to trivial-gray-streams:
> 
> cl:file-position calls sb-gray:stream-file-position.
> We define a method for it on our stream class;
> and this method calls trivial-gray-streams:stream-file-position.
> 

i would understand this to require that, in order to have a complete interface, the application is supposed to use some symbols from sb-gray and some from trivial-gray-streams.
is that the intent?