resolved quiz2

exercises/quizzes/quiz2.rs

@@ -28,6 +28,26 @@ mod my_module {
 
     // TODO: Complete the function as described above.
     // pub fn transformer(input: ???) -> ??? { ??? }
+    pub fn transformer(input: Vec<(String,Command)>) -> Vec<String> {
+        //Iterate the input vector to get String and Command and put in a result vector
+        input
+        .into_iter()
+        .map(|(string, command)|{ // Descructuring in string, command of each vector's entry
+            match command{
+                Command::Uppercase => string.to_uppercase(),
+                Command::Trim => string.trim().to_string(),
+                Command::Append(n) => {
+                    let mut res_string = string;
+                    for _i in 1..=n{
+                        res_string.push_str("bar")
+                    }
+                    res_string
+                }
+            }
+        })
+        .collect() // Put everything in result
+
+    }
 }
 
 fn main() {
@@ -37,7 +57,8 @@ fn main() {
 #[cfg(test)]
 mod tests {
     // TODO: What do we need to import to have `transformer` in scope?
-    // use ???;
+    // This way... is he going to search in quiz2.rs?
+    use crate::my_module::transformer;
     use super::Command;
 
     #[test]