node0

node1 1 "hoge"

node2 a=1 b="hoge"

#[derive(Decode)]
struct Node0;

#[derive(Decode)]
struct Node1(
    #[kfl(argument)] i32,
    #[kfl(argument)] String
);

#[derive(Decode)]
struct Node2(
    #[kfl(property(name = "a"))] i32,
    #[kfl(property(name = "b"))] String
);

#[derive(Decode)]
struct Node1 {
    #[kfl(argument)] a: i32,
    #[kfl(argument)] b: String
}

#[derive(Decode)]
struct Node2 {
    #[kfl(property)] a: i32,
    #[kfl(property)] b: String
}

                          #[derive(Decode)]
                            enum Node {
                                Node0,
                                Node1(
                                    #[kfl(argument)] i32,
                                    #[kfl(argument)] String
                                ),
                                Node2(
                                    #[kfl(property(name = "a"))] i32,
                                    #[kfl(property(name = "b"))] String
                                )
                            }

                          #[derive(Decode)]
                            enum Node {
                                Node0,
                                Node1 {
                                    #[kfl(argument)] a: i32,
                                    #[kfl(argument)] b: String
                                },
                                Node2 {
                                    #[kfl(property)] a: i32,
                                    #[kfl(property)] b: String
                                }
                            }