reached errors

exercises/error_handling/errors1.rs

@@ -5,14 +5,13 @@
 // construct to `Option` that can be used to express error conditions. Let's use it!
 // Execute `rustlings hint errors1` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
 
-pub fn generate_nametag_text(name: String) -> Option<String> {
+pub fn generate_nametag_text(name: String) -> Result<String,String> {
     if name.is_empty() {
         // Empty names aren't allowed.
-        None
+        Err(String::from("`name` was empty; it must be nonempty."))
     } else {
-        Some(format!("Hi! My name is {}", name))
+        Ok(format!("Hi! My name is {}", name))
     }
 }
 

exercises/options/options2.rs

@@ -1,7 +1,7 @@
 // options2.rs
 // Execute `rustlings hint options2` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
+//come back to this cause this shit made no sense to me
 
 #[cfg(test)]
 mod tests {
@@ -11,7 +11,7 @@ mod tests {
         let optional_target = Some(target);
 
         // TODO: Make this an if let statement whose value is "Some" type
-        if let Some(word) = target {
+        if let Some(word) = optional_target {
             assert_eq!(word, target);
         }
     }
@@ -26,8 +26,8 @@ mod tests {
 
         // TODO: make this a while let statement - remember that vector.pop also adds another layer of Option<T>
         // You can stack `Option<T>`'s into while let and if let
-        integer = optional_integers.pop() {
-            assert_eq!(integer, range);
+        while let Some(integer) = optional_integers.pop() {
+            assert_eq!(integer, Some(range));
             range -= 1;
         }
     }

exercises/options/options3.rs

@@ -1,8 +1,7 @@
 // options3.rs
 // Execute `rustlings hint options3` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
-
+//ref is used to borrow the value without having to match a comletely different type of &Foo
 struct Point {
     x: i32,
     y: i32,
@@ -12,8 +11,9 @@ fn main() {
     let y: Option<Point> = Some(Point { x: 100, y: 200 });
 
     match y {
-        Some(p) => println!("Co-ordinates are {},{} ", p.x, p.y),
+        Some(ref p) => println!("Co-ordinates are {},{} ", p.x, p.y),
         _ => println!("no match"),
     }
+
     y; // Fix without deleting this line.
 }