Sub/Super/Delegate

gistfile1.groovy

class Del {
    def del() { println "Del.del" }
}

class Super {
    def sup() { println "Super.sup" }
}

class Sub extends Super {
    @Delegate Del del = new Del()
    
    def sub() { println "Sub.sub" }
}

def sub = new Sub()
sub.del()
sub.sup()
sub.sub()