import json

pub struct User {
    name   string
    age    int
    height f64
}

type Users = map[string]User

const json_users = '{
    "tom": { "name": "Tom", "age": 45, "height": 1.97 },
    "martin": { "name": "Martin", "age": 40, "height": 1.8 }
}'

fn test_alias_with_map() {
    a := json.decode(map[string]User, json_users)!
    b := json.decode(Users, json_users)!

    assert Users(a) == b

    c := json.encode(a)
    d := json.encode(b)

    assert c == d
}