use std::fmt::Debug;
pub trait Time: Clone + Debug {}
#[derive(Clone, Copy, Debug, PartialEq)]
pub enum Continuous {}
impl Time for Continuous {}
#[derive(Clone, Copy, Debug, PartialEq)]
pub enum Discrete {}
impl Time for Discrete {}
#[derive(Clone, Copy, Debug)]
pub enum Discretization {
ForwardEuler,
BackwardEuler,
Tustin,
}