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bug#23430: 25.0.93; iter-defun does not support special form save-curren
bug#23430: 25.0.93; iter-defun does not support special form save-current-buffer
Fri, 6 May 2016 01:46:54 +0300
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On 05/03/2016 04:31 AM, Dmitry Gutov wrote:
The above example seemed to me to be the prime use case for generator.el
(e.g. lazily parsing output from an asynchronous process), so this
Actually, I take this back.
- generator.el doesn't seem useful for parsing output from an
asynchronous process because it has no way to indicate whether the
process has new output, or to return control back to Emacs while the
process is still running but has no new output. It seems to call for a
- with-current-buffer turned out not to be so essential. Nor
save-excursion. I've reimplemented xref--buf-pairs-iterator using
iter-lambda but couldn't get the full benefit of the package because
that function also needs a way to reliably clean up resources. The
result is a bit more comprehensible, but also longer, so I'm hesitant to
use it (attached).
So sum up, maybe this bug can be closed, but I'd like to see Daniel's
opinion. Supporting with-current-buffer might turn out to be more
essential in other cases.
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