fn test_generics_struct_inst_method_call() {
    v1 := V2d[f32]{100}
    r1 := v1.in_bounds(tp_lft, bt_rigt)
    println(r1)
    assert r1
}

const tp_lft = V2d[f32]{20}
const bt_rigt = V2d[f32]{650}

struct V2d[T] {
mut:
    x T
}

pub fn (v1 V2d[T]) unpack() T {
    return v1.x
}

pub fn (v1 V2d[T]) less_than(v2 V2d[T]) V2d[bool] {
    return V2d[bool]{v1.x < v2.x}
}

pub fn (v1 V2d[T]) in_bounds(top_left V2d[T], bottom_right V2d[T]) bool {
    v1.less_than(bottom_right).unpack()
    return true
}