No, but he could introduce a new topic (Currying), and then instead of showing how it's "just like Haskell" (something his target audience might not care about)

No, but he could introduce a new topic (Currying), and then instead of showing how it's "just like Haskell" (something his target audience might not care about), he could instead show how it's another way of thinking about something that most programmers probably already do.