From a basic REPL script: 

%foo; scalar(%foo)
0
%foo = (a=>1, b=>2, c=>3); scalar(%foo)
3/8
%foo = undef; scalar(%foo);
1/8
%foo = (); scalar(%foo);
0

[download]

Does that help?

--MidLifeXis

In reply to Re: lazy creation of a hash by MidLifeXis
in thread lazy creation of a hash by John M. Dlugosz

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