proc_format.nim

let fizzbuzz2 = map(
  toSeq(1 .. 100),
  proc(x: int): string = 
    if x mod 3 == 0 and x mod 5 == 0:
      "fizzbuzz"
    elif x mod 3 == 0:
      "fizz"
    elif x mod 5 == 0:
      "buzz"
    else:
      $x
)