This is very silly

fizzbuzz.nix

let rangeInternal = x: y: c: if x == y then c ++ [x] else rangeInternal (builtins.add x 1) y (c ++ [x]);
    range = x: y: if builtins.lessThan x y then rangeInternal x y [] else rangeInternal y x [];
    modulo = x: y: builtins.sub x (builtins.mul (builtins.div x y) y);
    fizz = x: modulo x 3 == 0;
    buzz = x: modulo x 5 == 0;
    fizzbuzz = x: fizz x && buzz x;
    fizzBuzzString = x: if fizzbuzz x then "FizzBuzz" else
      if fizz x then "Fizz"
      else if buzz x then "Buzz"
      else x;
in (map fizzBuzzString) (range 1 100)

gistfile1.sh

 % nix-instantiate --strict --eval-only fizzbuzz.nix
[ 1 2 "Fizz" 4 "Buzz" "Fizz" 7 8 "Fizz" "Buzz" 11 "Fizz" 13 14 "FizzBuzz" 16 17 "Fizz" 19 "Buzz" "Fizz" 22 23 "Fizz" "Buzz" 26 "Fizz" 28 29 "FizzBuzz" 31 32 "Fizz" 34 "Buzz" "Fizz" 37 38 "Fizz" "Buzz" 41 "Fizz" 43 44 "FizzBuzz" 46 47 "Fizz" 49 "Buzz" "Fizz" 52 53 "Fizz" "Buzz" 56 "Fizz" 58 59 "FizzBuzz" 61 62 "Fizz" 64 "Buzz" "Fizz" 67 68 "Fizz" "Buzz" 71 "Fizz" 73 74 "FizzBuzz" 76 77 "Fizz" 79 "Buzz" "Fizz" 82 83 "Fizz" "Buzz" 86 "Fizz" 88 89 "FizzBuzz" 91 92 "Fizz" 94 "Buzz" "Fizz" 97 98 "Fizz" "Buzz" ]