Yep! Coffeescript does it too. It was always weird seeing random values pop out of functions while debugging. Also coffeescript's loops evaluate to a list, which meant that functions which ended in a loop in coffeescript would end up constructing and returning arrays that would never be used.

Rust will also only return the last expression in a block if it doesn't end in a semicolon. This can be a bit subtle when you're reading a long function, but combined with explicitly specified return types its hard to mess up while writing code. Because of the choice about that semicolon, its an explicit choice whether you want a block to evaluate into that expression or not. And for functions you can always just use an explicit return statement if you want anyway.