Try it with warnings next time ;-)
with %$anonhash, {
name => 'dave',
city => 'San Francisco',
phone => '555-1212',
hobbies => [ qw( Perl Anime ) ], # make the value into a scalar.
};
I'd also make the minor change:
sub with(\%$) {
my ($hash, $values) = @_;
@$hash{keys %$values} = values %$values;
}
Just a bit more idiomatic, IMO.
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