Yeah, but I guess it is the entersub op which forces autovivifying of that undef value into a hash ref, to provide write access. How to verify? "Use the source, luke." ;-)

That's the sad thing about perl5 - the implementation is the spec. But then it is also its glory, as Abigail puts it:

Programming in Perl5 is like exploring a large medieval castle, surrounded by a dark, mysterious forest, with something new and unexpected around each corner. There are dragons to be conquered, maidens to be rescued, and holy grails to be quested for. Lots of fun.

I'll have a bit of fun, when I have time to spend...

--shmem 

_($_=" "x(1<<5)."?\n".q·/)Oo.  G°\        /
                              /\_¯/(q    /
----------------------------  \__(m.====·.(_("always off the crowd"))."·
");sub _{s./.($e="'Itrs `mnsgdq Gdbj O`qkdq")=~y/"-y/#-z/;$e.e && print}

In reply to Re^4: Keys() required to autovivify? by shmem
in thread Keys() required to autovivify? by jrw

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