fn main() {
    let (oh, woe, is, me) = ("the", "Turbofish", "remains", "undefeated");
    let _: (bool, bool) = (oh<woe, is>(me));
  }

So we have four strings, one named "oh", one named "woe", one named "is" and one named "me".

  (varA, varB)

is a tuple in Rust that contains two variables, named varA and varB.

  oh < woe

Is checking to see if "oh" is less than "woe"

  is > (me)

is checking to see if "is" is greater than "me" (ignore the extra parentheses.

So:

  (oh<woe, is>(me))

with some more spacing to make it easier to see, and with the extra parentheses removed is:

  (oh < woe, is > me)

Basically it creates a tuple with the result of the above comparisons.