Switch from Orca to Dolphin. Finish up removing code to be implemented.

exercise/errors/src/lib.rs

@@ -1,12 +1,12 @@
-// 1. Create error type(s) representing the following three conditions:
-// - An orca is hungry (Hungry)
-// - An orca is too young (TooYoung)
-// - The orca's name is too long (LongName)
+// 1. Create a DolphinError type representing the following three conditions:
+// - Hungry - An dolphin is hungry
+// - TooYoung - An dolphin is too young
+// - LongName - The dolphin's name is too long and annoying to say
 //
 // As a reminder, here are the 5 Guidelines for creating an error type
 // (1) Use an `enum` for your error type
 // (2) Your error conditions should be enum variants grouped in as few enums as makes sense
-// (3) Don't expose error types other than your own to users
+// (3) Don't expose error types other than your own (you don't have to do anything for this one)
 // (4) Make your enum non-exhaustive
 // (5) Implement the Debug, Display, and Error traits
 // (5b) You can use thiserror's `Error` macro to derive Display and Error.h
@@ -14,45 +14,32 @@
 // Once you have completed the error type correctly, you should be able to run `cargo build --lib`
 // without any errors.
 
-// pub enum OrcaError...
+// pub enum DolphinError...
 
-use thiserror::Error;
-
-#[derive(Debug, Error)]
-#[non_exhaustive]
-pub enum OrcaError {
-    #[error("I'm too hungry to do that.")]
-    Hungry,
-    #[error("I'm too young to do that.")]
-    TooYoung,
-    #[error("I would, but my name is just so long!")]
-    LongName,
-}
-
-pub struct Orca {
+pub struct Dolphin {
     pub name: String,
     pub age: u8,
     pub hungry: bool,
 }
 
-impl Orca {
-    pub fn say_your_name(&self) -> Result<String, OrcaError> {
+impl Dolphin {
+    pub fn say_your_name(&self) -> Result<String, DolphinError> {
         if self.name.len() > 10 {
-            Err(OrcaError::LongName)
+            Err(DolphinError::LongName)
         } else {
-            Ok(format!("Hi, my name is {} and I'm an Orca!", self.name))
+            Ok(format!("Hi, my name is {} and I'm a Dolphin!", self.name))
         }
     }
-    pub fn flip(&self) -> Result<String, OrcaError> {
+    pub fn flip(&self) -> Result<String, DolphinError> {
         if self.age < 4 {
-            Err(OrcaError::TooYoung)
+            Err(DolphinError::TooYoung)
         } else {
             Ok(format!("Yippee, I'm doing a flip!"))
         }
     }
-    pub fn shake_hands(&self) -> Result<String, OrcaError> {
+    pub fn shake_hands(&self) -> Result<String, DolphinError> {
         if self.hungry {
-            Err(OrcaError::Hungry)
+            Err(DolphinError::Hungry)
         } else {
             Ok(format!("Nice to meet you, let's shake hands!"))
         }

exercise/errors/src/main.rs

@@ -1,22 +1,22 @@
 // START IN lib.rs!
 
-use aquarium::Orca;
+use aquarium::Dolphin;
 
 // (You already did #1 in lib.rs, right?)
 // 2a. Uncomment and finish the play_time function below
 // - Bring anyhow::Result into scope with a `use` statement
-// - Have the function return a Result<Vec<String>>. The vector of Strings will represent successful
-//   outcomes of various performances.
+// - Have the play_time function return a `Result<Vec<String>>`. The vector of Strings will
+//   represent successful outcomes of various dolphin tricks.
 
-// fn play_time(orca: &Orca) -> ... {
+// fn play_time(dolphin: &Dolphin) -> ... {
 //     let mut responses = vec![];
-//     // 2b. There are three methods on the Orca struct:
+//     // 2b. There are three methods on the Dolphin struct:
 //     // - .say_your_name()
 //     // - .flip()
 //     // - .shake_hands()
 //     //
 //     // For each of the three methods above:
-//     // - Call the method on `orca`, using the `?` operator to unwrap the value / return the error
+//     // - Call the method on `dolphin`, using the `?` operator to unwrap the value / return the error
 //     // - Push the unwrapped string onto the `responses` vector using the .push() method
 
 //     // let response = ...    // this can be done with an intermediate variable...
@@ -26,37 +26,37 @@ use aquarium::Orca;
 // }
 
 fn main() {
-    let orcas = vec![
-        Orca {
+    let dolphins = vec![
+        Dolphin {
             name: "Augustinius".into(),
             age: 7,
             hungry: false,
         },
-        Orca {
+        Dolphin {
             name: "Bitty".into(),
             age: 2,
             hungry: true,
         },
-        Orca {
+        Dolphin {
             name: "Carson".into(),
             age: 5,
             hungry: true,
         },
-        Orca {
+        Dolphin {
             name: "Devin".into(),
             age: 6,
             hungry: false,
         },
     ];
-    for orca in &orcas {
-        match play_time(orca) {
+    for dolphin in &dolphins {
+        match play_time(dolphin) {
             Ok(responses) => {
-                println!("{} did a FABULOUS PERFORMANCE!", orca.name);
+                println!("{} did a FABULOUS PERFORMANCE!", dolphin.name);
                 for response in responses {
                     println!("  {}", response);
                 }
             }
-            Err(e) => println!("{} can't perform today: {}", orca.name, e.to_string()),
+            Err(e) => println!("{} can't perform today: {}", dolphin.name, e.to_string()),
         }
     }
 }