[Ecls-list] gray-stream support

Stelian Ionescu sionescu at common-lisp.net
Wed May 7 12:22:00 UTC 2008

On Wed, May 07, 2008 at 02:10:03PM +0200, Juan Jose Garcia-Ripoll wrote:
>On Wed, May 7, 2008 at 1:22 PM, Stelian Ionescu
> <sionescu at common-lisp.net> wrote:
> > On Tue, May 06, 2008 at 02:24:24PM +0200, Juan Jose Garcia-Ripoll wrote:
>>  >But this is a problem with trival-gray-streams, isn't it? I mean it is
> >  >exporting its own symbol stream-read-sequence. But why would they do
> >  >that if the Gray package already provides it?
> >
> >  because not all implementations define stream-read-sequence, so T-G-S
> >  defines its own stream-read-sequence, which calls whatever the
> >  implementation supports
> There is a more subtle issue, which is that not all implementations
> define stream-read-sequence with the same kind of arguments. Lispworks
> seems to have (stream seq start end), while SBCL and ECL use (stream
> seq &optional (start 0) end), etc, etc.

that too, but I was referring to OpenMCL having
stream-{read,write}-vector instead, and CLISP having
stream-{read,write}-{byte,char}-sequence instead of stream-{read,write}-sequence

> I did not think about it, but
> it is probably because the original "specification" did not contain
> stream-read/write-sequence.

yes, probably

Stelian Ionescu a.k.a. fe[nl]ix
Quidquid latine dictum sit, altum videtur.
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