I don't think they're saying that such a range function is itself a ternary, but using that as a lead-in to discussing the Frink ("1 to 100 step 15") and Elixir

I don't think they're saying that such a range function is itself a ternary, but using that as a lead-in to discussing the Frink ("1 to 100 step 15") and Elixir ("1..10//2") syntaxes.