Symbols, Protocols, Frames, and Versioning

Mark S. Miller erights at google.com
Thu Oct 4 12:29:46 PDT 2012


On Thu, Oct 4, 2012 at 11:41 AM, Allen Wirfs-Brock <allen at wirfs-brock.com>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
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