SPUG: Perl closures

[Yitzchak Scott-Thoennes]

On Thu, Jul 7, 2016 at 10:06 AM, Mark Hinds <zoro98020 at gmail.com> wrote:

> Question - Perl's anonymous functions seem to operate perfectly well
> as closures - they capture the referenced environment properly and
> free it when they themselves are no longer referenced. The guile
> folks disputed that me those many years ago. Thoughts?
>

 Hard to know what to say without knowing what they were arguing.

They don't in fact capture the environment; they capture specific
lexicals.  This makes a difference if a lexical is only used in the closure
in a string eval.
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