Function vec2::dot

pub fn dot<T>(a: &[T; 2], b: &[T; 2]) -> T where
    T: Add<T, Output = T>,
    &'a T: Mul<&'b T, Output = T>, 

Example

assert_eq!(vec2::dot(&vec2::new_one::<f32>(), &vec2::new_one::<f32>()), 2_f32);