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Postings from January 2012
On Sun, Jan 29, 2012 at 10:35 PM, Father Chrysostomos via RT
<perlbug-followup@perl.org> wrote:
> $foo = $foo_life_raft = sub { &$bar };
> weaken($foo);
> I usually like to call the variable $life_raft or similar in my own
> code, because it keeps the referent ‘afloat’ till the end of the
> enclosing scope.
> That example will work if $foo is the closure that will be returned or
> assigned to something. If $bar is to be returned, then $bar has to be
> weakened (with a $bar_life_raft to keep it alive till the end of sub leak).
Thanks, nice approach.
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