some more stuff

ch7/restaurant/Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "restaurant"
+version = "0.1.0"

ch7/restaurant/Cargo.toml

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+[package]
+name = "restaurant"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

ch7/restaurant/src/front_of_house.rs

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+pub mod hosting;
+mod serving;

ch7/restaurant/src/front_of_house/hosting.rs

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+pub fn add_to_waitlist() {}
+fn seat_at_table() {}

ch7/restaurant/src/front_of_house/serving.rs

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+fn take_order() {}
+fn serve_order() {}
+fn take_payment() {}

ch7/restaurant/src/lib.rs

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+mod front_of_house;
+
+mod back_of_house {
+    // All fields are public or private along with the enum itself
+    pub enum Appetizer {
+        Soup,
+        Salad,
+    }
+
+    // Fields have to be marked pub as well to be used publicly
+    pub struct Breakfast {
+        pub toast: String,
+        seasonal_fruit: String,
+    }
+
+    impl Breakfast {
+        pub fn summer(toast: &str) -> Breakfast {
+            Breakfast {
+                toast: String::from(toast),
+                seasonal_fruit: String::from("peaches"),
+            }
+        }
+    }
+    
+    fn fix_incorrect_order() {
+        cook_order();
+        super::deliver_order(); // Child scope can access anything in parent
+    }
+
+    fn cook_order() {}
+}
+
+fn deliver_order() { }
+
+// Note how the front_of_house mod is still private.
+// eat_at_restaurant can access its public children because it is
+// defined at the same scope.
+pub fn eat_at_restaurant() {
+    // abs path
+    crate::front_of_house::hosting::add_to_waitlist();
+
+    // rel path
+    front_of_house::hosting::add_to_waitlist();
+
+    let mut meal = back_of_house::Breakfast::summer("Rye");
+    meal.toast = String::from("Wheat");
+    println!("id like {} toast please", meal.toast);
+    // meal.seasonal_fruit = String::from("blackberries");
+}