update

restaurant/.gitignore

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+target/

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"

restaurant/Cargo.toml

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

restaurant/src/lib.rs

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+mod front_of_house {
+  mod hosting {
+    fn add_to_waitlist() {
+
+
+
+      
+    }
+    fn seat_at_table() {}
+  }
+  mod serving {
+    fn take_order() {}
+    fn serve_order() {}
+    fn take_payment() {}
+  }
+}

shirt_company/rust/.gitignore

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+target/

shirt_company/rust/Cargo.lock

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

shirt_company/rust/Cargo.toml

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

shirt_company/rust/src/main.rs

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+#[derive(Debug, PartialEq, Copy, Clone)]
+enum ShirtColor {
+  Red,
+  Blue,
+}
+struct Inventory {
+  shirts:Vec<ShirtColor>,
+}
+impl Inventory {
+  fn giveaway(
+    &self,
+    user_preference: Option<ShirtColor>,
+  ) -> ShirtColor {
+    user_preference.unwrap_or_else(|| self.most_stocked())
+  }
+  fn most_stocked(&self) -> ShirtColor {
+    let mut num_red = 0;
+    let mut num_blue = 0;
+    for color in &self.shirts {
+      match color {
+        ShirtColor::Red => num_red += 1,
+        ShirtColor::Blue => num_blue += 1,
+      }
+    }
+    if num_red > num_blue {
+      ShirtColor::Red
+    } else {
+      ShirtColor::Blue
+    }
+  }
+}
+fn main() {
+  let store = Inventory {
+    shirts: vec![
+      ShirtColor::Blue,
+      ShirtColor::Red,
+      ShirtColor::Blue,
+    ],
+  };
+  let user_pref1 = Some(ShirtColor::Red);
+  let giveaway1 = store.giveaway(user_pref1);
+  println!(
+    "The user with preference {:?} gets {:?}",
+    user_pref1, giveaway1
+  );
+  let user_pref2 = None;
+  let giveaway2 = store.giveaway(user_pref2);
+  println!(
+    "The user with preference {:?} gets {:?}",
+    user_pref2, giveaway2
+  );
+}
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