st.rs

struct Foo<T> {
    x: i16,
    y: T
}

fn bar<T>(foo: Foo<T>) -> i16 {
    foo.x
}

fn main() {
    let foo1 = Foo { x: 0i16, y: 0i32 };
    let foo2 = Foo { x: 0i16, y: 0i8 };
    bar(foo1);
    bar(foo2);
}