want := fmt.Sprintf("binary.Read: invalid type %T", dst)
		if err == nil || err.Error() != want {
			t.Fatalf("for type %T: got %q; want %q", dst, err, want)
		}
	}
}

func TestNoFixedSize(t *testing.T) {
	type Person struct {
		Age    int
		Weight float64
		Height float64
	}

	person := Person{
		Age:    27,
		Weight: 67.3,
		Height: 177.8,
	}