From 5568eb4409f886b0cb894b04c520b792ade187cc Mon Sep 17 00:00:00 2001
From: Dan Buch <dan@meatballhat.com>
Date: Fri, 10 Sep 2021 10:56:36 -0400
Subject: [PATCH] Extra activity in hello/print/print_display

---
 rustbyexample/hello/print_display2.rs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/rustbyexample/hello/print_display2.rs b/rustbyexample/hello/print_display2.rs
index 4bb58ee..0260116 100644
--- a/rustbyexample/hello/print_display2.rs
+++ b/rustbyexample/hello/print_display2.rs
@@ -21,6 +21,18 @@ impl fmt::Display for Point2D {
     }
 }
 
+#[derive(Debug)]
+struct Complex {
+    real: f64,
+    imag: f64,
+}
+
+impl fmt::Display for Complex {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{} + {}i", self.real, self.imag)
+    }
+}
+
 fn main() {
     let minmax = MinMax(0, 14);
 
@@ -42,4 +54,13 @@ fn main() {
     println!("Compare points:");
     println!("Display: {}", point);
     println!("Debug: {:?}", point);
+
+    let cmplx = Complex {
+        real: 3.3,
+        imag: 7.2,
+    };
+
+    println!("Compare complexes:");
+    println!("Display: {}", cmplx);
+    println!("Debug: {:?}", cmplx);
 }