It's true for Rust as well. What these three languages have in common is that they don't require parentheses around the switching boolean expression, and when y

It's true for Rust as well. What these three languages have in common is that they don't require parentheses around the switching boolean expression, and when you have things like: if expression1 expression2 it can be fiendishly hard to determine the boundary between expression1 and expression2.