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$ perl -E '
    use strict;
...
'
SCALAR
ARRAY

$ perl -E '
    use strict;
...
'
SCALAR
ARRAY

$ perl -E '
    use strict;
...
'
qwert
asdfg zxcvb

    use feature qw{refaliasing declared_refs};
    no warnings qw{experimental::refaliasing experimental::declared_re
+fs};

    use experimental qw{refaliasing declared_refs};