Using grep on undefined array
sthoenna at gmail.com
Wed Aug 14 17:13:56 BST 2013
On Wed, Aug 14, 2013 at 11:26 AM, James Laver <james.laver at gmail.com> wrote:
> perlglossary is wrong. It doesn't only occur as an lvalue but can
> occur by access as well.
Yes and no.
autovivification in general applies in writish kinds of context, but
that is a somewhat imprecise concept.
Note that keys() can be in lvalue context (allowing you to set the
hash bucket size); it just so happens that keys always puts a hash
dereference argument in lvalue context whether or not keys itself is;
perlglossary is quite correct in terms of the context applied to the
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