$ perl -ML -wE 'my $h = Hash::AsObject->new( foo => "bar" ); say $h->foo'

Can't locate foo.pm in @INC (you may need to install the foo module)

##</code><code>##

$ perl -MHash::AsObject -wE 'my $h = Hash::AsObject->new( foo => "bar" ); say $h->f0o; say 42'

Use of uninitialized value in say at -e line 1.

42

##</code><code>##

$ perl -MHash::AsObject -Mstrictures=2,1 -wE 'my $h = Hash::AsObject->new( foo => "bar" ); say $h->f0o; say 42'

Use of uninitialized value in say at -e line 1.