not necessarly.

First of all, this

    function pizza(boolean pepperoni, boolean bacon, boolean mushroom, boolean artichoke)

breaks down when you want to add ham, potatoes and sausages to the pizza.

Secondly, you can optimize for the common case:

    fn pizza() # -> default pizza e.g. margherita
    fn pizza(list_of_ingredients) # -> your custom pizza

if you we are talking of simple functions and not more complex patterns, such as piping, in Elixir I would do

    pizza |> add_ham |> add_mushroom |> well_done

when using boolean parameters you are also passing down a lot of useless informations (a pizza with pepperoni would include 3 false just to remove the ingredients from the pizza and only one true) and confining yourself to a fixed set of options, that could possibly also represent an impossible state.