struct Papa {
    fam_name string
}

pub struct Child {
    Papa
pub mut:
    activity Activity = Fun.roll
    age      u8       = 2
}

type Activity = Fun | Other

pub enum Fun {
    run
    roll
    jump
}

pub struct Other {}

// Same struct without embedding just works.
pub struct Human {
    fam_name string
pub mut:
    activity Activity = Fun.roll
    age      u8       = 2
}

fn test_embed_struct_field_default_value() {
    c := Child{}
    println(c.activity)
    assert c.activity == Activity(Fun.roll)
    h := Human{}
    println(h.activity)
    assert h.activity == Activity(Fun.roll)
}