Crystal include module in module

gistfile1.txt

module X
        getter :x
        @x= 1
        def func1
                p :func1
        end
end
module Y
        getter :y
        include X
        @y= 2
        def func2
                p :func2
        end
end

class A
        include Y
end

a= A.new
a.func2
a.func1
p a.y
p a.x