As usually, wrapping the filehandle into curly brackets helps: 
print {$A} ~~@_;

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

In reply to Re: Ambiguous '~~' in 'print scalar ~~list' by choroba
in thread Ambiguous '~~' in 'print scalar ~~list' by rsFalse

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