Function rect 

pub const fn rect<T>(position: Vector2D<T>, size: Vector2D<T>) -> Rect<T>

A convenience function for constructing a Rect

use agb_fixnum::{rect, vec2, Rect};

assert_eq!(rect(vec2(1, 2), vec2(3, 4)), Rect::new(vec2(1, 2), vec2(3, 4)));