ES Discuss - Message History

Mark Miller (2013-07-31T15:03:34.000Z)

Go to Source

This point is important enough that I'm resending as the start of a new
thread.


On Wed, Jul 31, 2013 at 7:50 AM, Mark S. Miller <erights at google.com> wrote:

>
> In thinking about this, I become ever more puzzled about the versioning
> and inter-realm problems for user-defined unique symbols -- I think it may
> be a train wreck. Scenario: Library W version 1.1 defines and uses a unique
> symbol @foo which is loaded into realm A. Library W version 1.2 purposely
> intends to continue to define and use the "same" unique symbol @foo, so
> that W1.2 code can successfully handle instances of W1.1 code. Library W1.2
> is loaded into realm B. The two realms come into contact, and objects from
> the two W's come into contact. *How did they both coordinate to define
> and use the same @foo symbol?*
>



-- 
  Cheers,
  --MarkM
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.mozilla.org/pipermail/es-discuss/attachments/20130731/640d5201/attachment.html>

domenic at domenicdenicola.com (2013-08-01T01:51:03.865Z)

This point is important enough that I'm resending as the start of a new
thread.

On Wed, Jul 31, 2013 at 7:50 AM, Mark S. Miller <erights at google.com> wrote:

> In thinking about this, I become ever more puzzled about the versioning
> and inter-realm problems for user-defined unique symbols -- I think it may
> be a train wreck. Scenario: Library W version 1.1 defines and uses a unique
> symbol @foo which is loaded into realm A. Library W version 1.2 purposely
> intends to continue to define and use the "same" unique symbol @foo, so
> that W1.2 code can successfully handle instances of W1.1 code. Library W1.2
> is loaded into realm B. The two realms come into contact, and objects from
> the two W's come into contact. *How did they both coordinate to define
> and use the same @foo symbol?*

domenic at domenicdenicola.com (2013-08-01T01:50:56.064Z)

This point is important enough that I'm resending as the start of a new
thread.

On Wed, Jul 31, 2013 at 7:50 AM, Mark S. Miller <erights at google.com> wrote:

>
> In thinking about this, I become ever more puzzled about the versioning
> and inter-realm problems for user-defined unique symbols -- I think it may
> be a train wreck. Scenario: Library W version 1.1 defines and uses a unique
> symbol @foo which is loaded into realm A. Library W version 1.2 purposely
> intends to continue to define and use the "same" unique symbol @foo, so
> that W1.2 code can successfully handle instances of W1.1 code. Library W1.2
> is loaded into realm B. The two realms come into contact, and objects from
> the two W's come into contact. *How did they both coordinate to define
> and use the same @foo symbol?*

Edit