From 60da2e20dceaa1bb13b2c13d416e79755e93f2f3 Mon Sep 17 00:00:00 2001
From: Dan Buch <dan@meatballhat.com>
Date: Fri, 10 Sep 2021 11:18:23 -0400
Subject: [PATCH] RBE hello/print/fmt activity

---
 rustbyexample/hello/print_fmt.rs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/rustbyexample/hello/print_fmt.rs b/rustbyexample/hello/print_fmt.rs
index 49cbd83..9a6c344 100644
--- a/rustbyexample/hello/print_fmt.rs
+++ b/rustbyexample/hello/print_fmt.rs
@@ -30,6 +30,16 @@ struct Color {
     blue: u8,
 }
 
+impl Display for Color {
+    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
+        write!(
+            f,
+            "RGB ({}, {}, {}) 0x{:02X}{:02X}{:02X}",
+            self.red, self.green, self.blue, self.red, self.green, self.blue
+        )
+    }
+}
+
 fn main() {
     for city in [
         City {
@@ -72,6 +82,6 @@ fn main() {
     ]
     .iter()
     {
-        println!("{:?}", *color);
+        println!("{}", *color);
     }
 }