From 09034ffc31884459c16eae79167a49059900516a Mon Sep 17 00:00:00 2001
From: liruifengv <liruifeng1024@gmail.com>
Date: Thu, 3 Nov 2022 16:24:48 +0800
Subject: [PATCH] quiz3

---
 exercises/quiz3.rs | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/exercises/quiz3.rs b/exercises/quiz3.rs
index 15dc4699..a76699f8 100644
--- a/exercises/quiz3.rs
+++ b/exercises/quiz3.rs
@@ -14,15 +14,15 @@
 
 // Execute `rustlings hint quiz3` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
+use std::fmt;
 
-pub struct ReportCard {
-    pub grade: f32,
+pub struct ReportCard<T> {
+    pub grade: T,
     pub student_name: String,
     pub student_age: u8,
 }
 
-impl ReportCard {
+impl<T:fmt::Display> ReportCard<T> {
     pub fn print(&self) -> String {
         format!("{} ({}) - achieved a grade of {}",
             &self.student_name, &self.student_age, &self.grade)
@@ -50,7 +50,7 @@ mod tests {
     fn generate_alphabetic_report_card() {
         // TODO: Make sure to change the grade here after you finish the exercise.
         let report_card = ReportCard {
-            grade: 2.1,
+            grade: "A+",
             student_name: "Gary Plotter".to_string(),
             student_age: 11,
         };