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

pub fn deimos_sample_return() -> Lander {
    Lander {
        name: "Deimos Sample Return",
        dry_mass_kg: 800.0,
        crewed: false,
    }
}

pub fn deimos_habitat_concept() -> Lander {
    Lander {
        name: "Deimos Habitat Concept",
        dry_mass_kg: 9_000.0,
        crewed: true,
    }
}
