NB. Procedural programming fizzbuzz=: monad define

for_i. >:i.y do.
  if.     0 = 15 | i do. echo'FizzBuzz'
  elseif. 0 =  3 | i do. echo'Fizz'
  elseif. 0 =  5 | i do. echo'Buzz'
  else.                  echo i
  end.
end.

) NB. Loopless programming fizzbuzz=: echo@(, ::] (‘Fizz’ ; ‘Buzz’) ;@#~ 0 = 3 5&|)@>:@i.