On May 16, 2009, at 5:50 PM, David-Sarah Hopwood wrote:
But you are right that dataflow concurrency is probably not
sufficient on its own if we want to make Harmony a practical
concurrent language.
That is not a goal at this point, and TC39 wouldn't hold the H-
release for it.
Bear in
On May 16, 2009, at 9:29 PM, David-Sarah Hopwood wrote:
(Implementation complexity and performance are also important, but
personally I consider them to be lower priorities than safety and
expressiveness -- especially since safety often has a lower
performance
cost than many people believe.)
John Cowan wrote:
David-Sarah Hopwood scripsit:
Then the functionality of a generator can be implemented using a
process/thread that extends a list or queue constructed from
dataflow variables.
Quite so. How, if at all, do these dataflow variables differ from
Prolog variables?
Prolog
On May 15, 2009, at 11:15 AM, Jason Orendorff wrote:
I like the idea of going after the concurrency problem now. I like
the idea of doing one language feature instead of two (concurrency and
generators). Do you have a solution in mind for this kind of problem?
Not to rain on anyone's parade
On 15/05/09 11:15 AM, Jason Orendorff wrote:
Even the simplest generator use cases can't be implemented using
threads and dataflow variables in that kind of model. To take a silly
example:
function iter(arraylike) {
for (var i = 0; i arraylike.length; i++)
yield
[I sent this to es5-discuss, when I intended es-discuss. Sorry for the
noise for people subscribed to both.]
David-Sarah Hopwood wrote:
Jason Orendorff wrote:
On Thu, May 14, 2009 at 12:25 PM, Mark S. Miller erig...@google.com wrote:
Given both shallow generators and lambda, I don't understand
Brendan Eich wrote:
On May 14, 2009, at 4:34 PM, David-Sarah Hopwood wrote:
This approach avoids any problems due to a generator being able
to interfere with the control flow of its callers.
A generator can't interfere with the control flow of its callers.
Can you give an example of
On May 14, 2009, at 5:29 PM, David-Sarah Hopwood wrote:
Brendan Eich wrote:
On May 14, 2009, at 4:34 PM, David-Sarah Hopwood wrote:
This approach avoids any problems due to a generator being able
to interfere with the control flow of its callers.
A generator can't interfere with the
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