#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Lander {
    pub name: &'static str,
    pub dry_mass_kg: f64,
    pub crewed: bool,
}

pub fn europa_lander_concept() -> Lander {
    Lander {
        name: "Europa Lander Concept",
        dry_mass_kg: 1_600.0,
        crewed: false,
    }
}

pub fn ice_drill_probe() -> Lander {
    Lander {
        name: "Ice Drill Probe",
        dry_mass_kg: 800.0,
        crewed: false,
    }
}
