exercises/lifetimes/lifetimes1.rs

@@ -8,8 +8,9 @@
 // Execute `rustlings hint lifetimes1` or use the `hint` watch subcommand for a
 // hint.
 
+// I AM NOT DONE
 
-fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
+fn longest(x: &str, y: &str) -> &str {
     if x.len() > y.len() {
         x
     } else {

exercises/lifetimes/lifetimes2.rs

@@ -6,6 +6,7 @@
 // Execute `rustlings hint lifetimes2` or use the `hint` watch subcommand for a
 // hint.
 
+// I AM NOT DONE
 
 fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
     if x.len() > y.len() {
@@ -21,6 +22,6 @@ fn main() {
     {
         let string2 = String::from("xyz");
         result = longest(string1.as_str(), string2.as_str());
-        println!("The longest string is '{}'", result);
     }
+    println!("The longest string is '{}'", result);
 }

exercises/lifetimes/lifetimes3.rs

@@ -5,10 +5,11 @@
 // Execute `rustlings hint lifetimes3` or use the `hint` watch subcommand for a
 // hint.
 
+// I AM NOT DONE
 
-struct Book<'a> {
+struct Book {
-    author: &'a str,
+    author: &str,
-    title: &'a str,
+    title: &str,
 }
 
 fn main() {

exercises/tests/tests1.rs

@@ -10,11 +10,12 @@
 // Execute `rustlings hint tests1` or use the `hint` watch subcommand for a
 // hint.
 
+// I AM NOT DONE
 
 #[cfg(test)]
 mod tests {
     #[test]
     fn you_can_assert() {
-        assert!(true);
+        assert!();
     }
 }

exercises/tests/tests2.rs

@@ -6,11 +6,12 @@
 // Execute `rustlings hint tests2` or use the `hint` watch subcommand for a
 // hint.
 
+// I AM NOT DONE
 
 #[cfg(test)]
 mod tests {
     #[test]
     fn you_can_assert_eq() {
-        assert_eq!(1,1);
+        assert_eq!();
     }
 }

exercises/tests/tests3.rs

@@ -7,6 +7,7 @@
 // Execute `rustlings hint tests3` or use the `hint` watch subcommand for a
 // hint.
 
+// I AM NOT DONE
 
 pub fn is_even(num: i32) -> bool {
     num % 2 == 0
@@ -18,11 +19,11 @@ mod tests {
 
     #[test]
     fn is_true_when_even() {
-        assert!(is_even(2));
+        assert!();
     }
 
     #[test]
     fn is_false_when_odd() {
-        assert!(!is_even(5));
+        assert!();
     }
 }

exercises/tests/tests4.rs

@@ -5,6 +5,7 @@
 // Execute `rustlings hint tests4` or use the `hint` watch subcommand for a
 // hint.
 
+// I AM NOT DONE
 
 struct Rectangle {
     width: i32,
@@ -29,19 +30,17 @@ mod tests {
     fn correct_width_and_height() {
         // This test should check if the rectangle is the size that we pass into its constructor
         let rect = Rectangle::new(10, 20);
-        assert_eq!(rect.width, 10); // check width
+        assert_eq!(???, 10); // check width
-        assert_eq!(rect.height, 20); // check height
+        assert_eq!(???, 20); // check height
     }
 
     #[test]
-    #[should_panic]
     fn negative_width() {
         // This test should check if program panics when we try to create rectangle with negative width
         let _rect = Rectangle::new(-10, 10);
     }
 
     #[test]
-    #[should_panic]
     fn negative_height() {
         // This test should check if program panics when we try to create rectangle with negative height
         let _rect = Rectangle::new(10, -10);