my completions

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+    "cSpell.words": [
+        "struct"
+    ]
+}

README.md

@@ -47,6 +47,24 @@ the [`solutions` branch](https://github.com/mainmatter/100-exercises-to-learn-ru
 - [X] 00_intro
 - [X] 01_integers
 - [X] 02_variable
+- [X] 03_if_else
+- [X] 04_panics
+- [X] 05_factorial
+- [X] 06_while
+- [X] 07_for
+- [X] 08_overflow
+- [X] 09_saturating
+- [X] 10_as_casting
+
+### 03_ticket_v1
+
+- [X] 00_intro
+- [X] 01_struct
+- [X] 02_validation
+- [X] 03_modules
+- [X] 04_visibility
+- [X] 05_encapsulation
+- [X] 06_ownership
 
 # License
 

exercises/03_ticket_v1/00_intro/src/lib.rs

@@ -1,6 +1,6 @@
 fn intro() -> &'static str {
     // TODO: fix me 👇
-    "I'm ready to __!"
+    "I'm ready to start modelling a software ticket!"
 }
 
 #[cfg(test)]

exercises/03_ticket_v1/01_struct/src/lib.rs

@@ -5,6 +5,21 @@
 // It should also have a method named `is_available` that returns a `true` if the quantity is
 // greater than 0, otherwise `false`.
 
+struct Order {
+    price: u32,
+    quantity: u32,
+}
+
+impl Order {
+    fn is_available(self) -> bool {
+        if self.quantity > 0 {
+            true
+        } else {
+            false
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;

exercises/03_ticket_v1/02_validation/src/lib.rs

@@ -8,16 +8,35 @@ impl Ticket {
     // TODO: implement the `new` function.
     //  The following requirements should be met:
     //   - Only `To-Do`, `In Progress`, and `Done` statuses are allowed.
-    //   - The `title` and `description` fields should not be empty.
-    //   - the `title` should be at most 50 bytes long.
-    //   - the `description` should be at most 500 bytes long.
+    //   DONE - The `title` and `description` fields should not be empty.
+    //   DONE - the `title` should be at most 50 bytes long.
+    //   DONE - the `description` should be at most 500 bytes long.
     //  The method should panic if any of the requirements are not met.
     //
     // You'll have to use what you learned in the previous exercises,
     // as well as some `String` methods. Use the documentation of Rust's standard library
     // to find the most appropriate options -> https://doc.rust-lang.org/std/string/struct.String.html
     fn new(title: String, description: String, status: String) -> Self {
-        todo!();
+        if title.is_empty() {
+            panic!("Title cannot be empty");
+        }
+
+        if description.is_empty() {
+            panic!("Description cannot be empty");
+        }
+
+        if title.len() > 50 {
+            panic!("Title cannot be longer than 50 bytes")
+        }
+
+        if description.len() > 500 {
+            panic!("Description cannot be longer than 500 bytes")
+        }
+
+        if status != "To-Do" && status != "In Progress" && status != "Done" {
+            panic!("Only `To-Do`, `In Progress`, and `Done` statuses are allowed");
+        }
+
         Self {
             title,
             description,

exercises/03_ticket_v1/03_modules/src/lib.rs

@@ -2,6 +2,8 @@ mod helpers {
     // TODO: Make this code compile, either by adding a `use` statement or by using
     //  the appropriate path to refer to the `Ticket` struct.
 
+    use super::Ticket;
+
     fn create_todo_ticket(title: String, description: String) -> Ticket {
         Ticket::new(title, description, "To-Do".into())
     }

exercises/03_ticket_v1/04_visibility/src/lib.rs

@@ -1,12 +1,12 @@
 mod ticket {
-    struct Ticket {
+    pub struct Ticket {
         title: String,
-        description: String,
+        pub description: String,
         status: String,
     }
 
     impl Ticket {
-        fn new(title: String, description: String, status: String) -> Ticket {
+        pub fn new(title: String, description: String, status: String) -> Ticket {
             if title.is_empty() {
                 panic!("Title cannot be empty");
             }
@@ -32,8 +32,6 @@ mod ticket {
     }
 }
 
-// TODO: **Exceptionally**, you'll be modifying both the `ticket` module and the `tests` module
-//  in this exercise.
 #[cfg(test)]
 mod tests {
     // TODO: Add the necessary `pub` modifiers in the parent module to remove the compiler
@@ -55,7 +53,7 @@ mod tests {
         //
         // TODO: Once you have verified that the below does not compile,
         //   comment the line out to move on to the next exercise!
-        assert_eq!(ticket.description, "A description");
+        // assert_eq!(ticket.description, "A description");
     }
 
     fn encapsulation_cannot_be_violated() {
@@ -68,10 +66,10 @@ mod tests {
         //
         // TODO: Once you have verified that the below does not compile,
         //   comment the lines out to move on to the next exercise!
-        let ticket = Ticket {
-            title: "A title".into(),
-            description: "A description".into(),
-            status: "To-Do".into(),
-        };
+        // let ticket = Ticket {
+        //     title: "A title".into(),
+        //     description: "A description".into(),
+        //     status: "To-Do".into(),
+        // };
     }
 }

exercises/03_ticket_v1/05_encapsulation/src/lib.rs

@@ -31,9 +31,21 @@ pub mod ticket {
         }
 
         // TODO: Add three public methods to the `Ticket` struct:
+
         //  - `title` that returns the `title` field.
+        pub fn title(self) -> String {
+            self.title
+        }
+
         //  - `description` that returns the `description` field.
+        pub fn description(self) -> String {
+            self.description
+        }
+
         //  - `status` that returns the `status` field.
+        pub fn status(self) -> String {
+            self.status
+        }
     }
 }
 

exercises/03_ticket_v1/06_ownership/src/lib.rs

@@ -34,16 +34,16 @@ impl Ticket {
         }
     }
 
-    pub fn title(self) -> String {
-        self.title
+    pub fn title(&self) -> &String {
+        &self.title
     }
 
-    pub fn description(self) -> String {
-        self.description
+    pub fn description(&self) -> &String {
+        &self.description
     }
 
-    pub fn status(self) -> String {
-        self.status
+    pub fn status(&self) -> &String {
+        &self.status
     }
 }