Fizz Buzz with lazy iterators

fizz_buzz.jl

#=
Adapted from:
    Kevlin Henney
    https://www.youtube.com/watch?v=nrVIlhtoE3Y
=#

julia> fizz_buzz(words...) = Iterators.map(max,
           Iterators.map(string, Iterators.countfrom()),
           Iterators.map(*, Iterators.map(
               ((s, n),) -> Iterators.cycle(push!(repeat([""], n - 1), s)),
           words)...)
       );

julia> foreach(println, Iterators.take(fizz_buzz("Fizz" => 3, "Buzz" => 5), 15))
1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz