;;if foo then true else false
;;if foo == 2 then let bar = 1 in let foo = 2 in bar + foo
let ifThenElse = if foo then lala else doStuff x y z
let ifElseIfThen =
  if foo == bar
  then f ()
  else if foo == bar2 then f1 () else if foo == bar3 then f2 () else f3 ()
let x = (if true then 1 else 2) + (if false then 2 else 3)