#[macro_use]
extern crate serde_derive;

extern crate serde;
extern crate serde_json;

#[derive(Deserialize, Debug)]
struct Raw {
    foo: String,
    bar: i32,
}

#[derive(Deserialize, Debug)]
struct Response<T> {
    data: T,
}

fn main() {
    let a = r#"{
        "data": {
            "foo": "foo",
            "bar": 12
        }
    }"#;
    let de = serde_json::from_str::<Response<Raw>>(a).unwrap().data;
    println!("{}\n{:?}", a, de);
}