in reply to Golf -- compute PI

36, obfuscated :)
  
sub _{$---&&4/$----&_}print- _$-=1e5
35, but emits a warning:
  
sub _{$---&&4/$----&_}print-_$-=1e5
   MeowChow                                   
               s aamecha.s a..a\u$&owag.print