object evaluate {
    def foo(): () => Int = {
        var b = 11
        def goo() = {
            b = b + 23
            baskdja
        }
        goo
    }                                         //> foo: ()() => Int

    val a = foo()                             //> a  : () => Int = <function0>
    a()                                       //> res0: Int = 34
    a()                                       //> res1: Int = 57
}