From a209836a99e23d77562b032308d3973c0fd4f554 Mon Sep 17 00:00:00 2001
From: Tobin Harding <me@tobin.cc>
Date: Wed, 9 Feb 2022 09:22:07 +0000
Subject: [PATCH] Implement LowerHex and Display for Message

Implement `fmt::LowerHex` for `Message`. Implement `Display` by calling
`LowerHex`.

Resolves: #251
---
 src/lib.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index c007c98..9566339 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -308,6 +308,21 @@ impl<T: ThirtyTwoByteHash> From<T> for Message {
     }
 }
 
+impl fmt::LowerHex for Message {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        for byte in self.0.iter() {
+            write!(f, "{:02x}", byte)?;
+        }
+        Ok(())
+    }
+}
+
+impl fmt::Display for Message {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::LowerHex::fmt(self, f)
+    }
+}
+
 /// An ECDSA error
 #[derive(Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Debug)]
 pub enum Error {