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Re: Generic sequences in seq.el
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From: |
Stefan Monnier |
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Subject: |
Re: Generic sequences in seq.el |
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Date: |
Tue, 08 Jan 2019 10:01:52 -0500 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
> Still, it would be convenient to have a function
> that can destructively modify a sequence. What is
> the reason to not have one?
Two reasons:
1- Side-effects are bad.
2- There hasn't yet been a compelling reason to add one.
3- As mentioned before "We currently don't have any data-structure that
can be efficiently modified in-place via push/pop".
Stefan