Added compilation logic of closures to implicitly add return instructions when the last program element of a closure isn't an expression, such as a for statement.
Added compilation logic of closures to implicitly add return
instructions when the last program element of a closure isn't an
expression, such as a for statement.

Signed-off-by: Jakob Brandsborg Ehmsen <387ed33cc9ebf98b733caa2520baacd616b28aa5@gmail.com>
jakobehmsen/duro