in reply to Re^3: Spotting an empty array as argument
in thread Spotting an empty array as argument

As it circumvents prototypes, it doesn't use $_ when no arguments are specified.

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In Section Seekers of Perl Wisdom