use num::{Num, ToPrimitive};

#[derive(Copy, Clone)]
pub struct Vec2<T: Num + Copy + ToPrimitive> {
    pub x: T,
    pub y: T,
}

impl<T: Num + Copy + ToPrimitive> Vec2<T> {
    //pub static
    pub fn zero() -> Self {
        Vec2 {
            x: T::zero(),
            y: T::zero(),
        }
    }

    //pub
    pub fn size(&self) -> usize {
        (self.x * self.y).to_usize().unwrap()
    }
}

impl<T: Num + Copy + ToPrimitive + Default> Default for Vec2<T> {
    fn default() -> Self {
        Vec2 {
            x: T::default(),
            y: T::default(),
        }
    }
}