Symbols, Protocols, Frames, and Versioning

Mark S. Miller erights at
Thu Oct 4 13:54:10 PDT 2012

It depends what you mean by "associating". What do you have in mind?

On Thu, Oct 4, 2012 at 1:18 PM, Allen Wirfs-Brock <allen at>wrote:

> Presumably, this concern would also apply to associating programmer
> supplied debug info with symbols
> "Mark S. Miller" <erights at> wrote:
> On Thu, Oct 4, 2012 at 11:41 AM, Allen Wirfs-Brock <allen at>wrote:
>> Note that in most cases, you want to look up an already interned symbol
>> name rather than intern a new one.
> One of the beautiful things about interning is that it is a pure function,
> and so does not provide a communications channel. If one frame could test
> whether some other frame somewhere had already interned a given name, you'd
> have an unpluggable cross-frame communications channel.
> --
>     Cheers,
>     --MarkM

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the es-discuss mailing list