Function mat4::perspective

pub fn perspective<'out, T>(
    out: &'out mut [T; 16], 
    fov: &T, 
    aspect: &T, 
    near: &T, 
    far: &T
) -> &'out mut [T; 16] where
    T: One + Zero + Float + FromPrimitive + Neg<Output = T>,
    &'a T: Neg<Output = T> + Mul<&'b T, Output = T> + Div<&'b T, Output = T> + Add<&'b T, Output = T> + Sub<&'b T, Output = T>,