From 3cda6fa25939e2857f5de116af976b79179cbcf8 Mon Sep 17 00:00:00 2001
From: Jordan Gong <jordan.gong@protonmail.com>
Date: Mon, 31 Aug 2020 14:03:13 +0800
Subject: Manage modules

---
 restaurant/src/lib.rs | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 restaurant/src/lib.rs

(limited to 'restaurant/src/lib.rs')

diff --git a/restaurant/src/lib.rs b/restaurant/src/lib.rs
new file mode 100644
index 0000000..eaab79f
--- /dev/null
+++ b/restaurant/src/lib.rs
@@ -0,0 +1,77 @@
+mod front_of_house {
+    pub mod hosting {
+        pub fn add_to_waitlist() {}
+
+        fn seat_at_table() {}
+    }
+
+    mod serving {
+        fn take_order() {}
+
+        fn serve_order() {}
+
+        fn take_payment() {}
+    }
+}
+
+fn serve_order() {}
+
+mod back_of_house {
+    fn fix_incorrect_order() {
+        cook_order();
+        super::serve_order();
+    }
+
+    fn cook_order() {}
+
+    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("peach"),
+            }
+        }
+    }
+
+    pub enum Appetizer {
+        Soup,
+        Salad,
+    }
+}
+
+pub fn eat_at_restaurant() {
+    // Absolute path
+    crate::front_of_house::hosting::add_to_waitlist();
+
+    // Relative path
+    front_of_house::hosting::add_to_waitlist();
+
+    let mut meal = back_of_house::Breakfast::summer("Rye");
+    meal.toast = String::from("Wheat");
+    println!("I'd like {} toast please", meal.toast);
+
+    let order1 = back_of_house::Appetizer::Soup;
+    let order2 = back_of_house::Appetizer::Salad;
+
+    {
+        use crate::front_of_house::hosting;
+
+        hosting::add_to_waitlist();
+        hosting::add_to_waitlist();
+        hosting::add_to_waitlist();
+    }
+
+    {
+        use self::front_of_house::hosting;
+
+        hosting::add_to_waitlist();
+        hosting::add_to_waitlist();
+        hosting::add_to_waitlist();
+    }
+}
+
-- 
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