A hello world program written in Ruby

hello_world

->  (               #
     _             ,
      &          __ 
       ){       t=
->       {     ;
       __[     [
       _1],   _[2
         ],   _[
        1]     ]}
     _=__[    _[3   ..
         ],   t[
     _   [  3  ]
         ],    &
->       {    t[_1
         ]     }
         ];  __[
     _______=_______ ,
         _ [1 ]      ,
         _ [ 2] ]
         } [%w| {
            h*
           pack
          d61607
         07574737
  8456c6c6f60275f627c646
       |,&:send];$_