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bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files'
From: |
Michael Heerdegen |
Subject: |
bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files' |
Date: |
Fri, 02 Mar 2018 08:08:55 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.0.91 (gnu/linux) |
Noam Postavsky <npostavs@gmail.com> writes:
> Maybe I've misunderstood, but is it not the case that iterating over
> (stream-range 1 n) should require only a constant amount of memory,
> regardless of the value of n?
Depends on your definition of `require'. Like, for example,
(dolist (i 1000000) (message "%S" (cons i (1+ i))))
each iteration step creates and discards a new cons (or a constant
number of conses). Not a exceptional thing in Lisp. When iterating
over (stream-range 1 n), the garbage collector seems to have problems
with how the garbage is structured.
Michael.