From 9521266b58534e97d26148bb6a5de8e03da56eb6 Mon Sep 17 00:00:00 2001
From: Paul Czeresko <p.czeresko.3@gmail.com>
Date: Mon, 22 Jul 2019 21:01:15 -0400
Subject: [PATCH] Complete test4

---
 exercises/test4.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/exercises/test4.rs b/exercises/test4.rs
index e50f1b08..86598053 100644
--- a/exercises/test4.rs
+++ b/exercises/test4.rs
@@ -5,6 +5,13 @@
 
 // Write a macro that passes the test! No hints this time, you can do it!
 
+#[macro_export]
+macro_rules! my_macro {
+    ($x:expr) => {{
+        format!("Hello {}", $x)
+    }};
+}
+
 fn main() {
     if my_macro!("world!") != "Hello world!" {
         panic!("Oh no! Wrong output!");