From c06346cc4bed388f112ac80b6daa1fb90a700808 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomasz=20Drwi=C4=99ga?= <tomusdrw@gmail.com>
Date: Tue, 6 Feb 2018 16:19:42 +0100
Subject: [PATCH] Add 0x when printing hex values.

---
 src/hash.rs | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/hash.rs b/src/hash.rs
index 58c561a..5e4696a 100644
--- a/src/hash.rs
+++ b/src/hash.rs
@@ -119,15 +119,14 @@ macro_rules! construct_hash {
 
 		impl ::core::fmt::Debug for $from {
 			fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
-				for i in &self.0[..] {
-					write!(f, "{:02x}", i)?;
-				}
-				Ok(())
+				write!(f, "0x")?;
+				::core::fmt::LowerHex::fmt(self, f)
 			}
 		}
 
 		impl ::core::fmt::Display for $from {
 			fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
+				write!(f, "0x")?;
 				for i in &self.0[0..2] {
 					write!(f, "{:02x}", i)?;
 				}
@@ -141,7 +140,10 @@ macro_rules! construct_hash {
 
 		impl ::core::fmt::LowerHex for $from {
 			fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
-				::core::fmt::Debug::fmt(self, f)
+				for i in &self.0[..] {
+					write!(f, "{:02x}", i)?;
+				}
+				Ok(())
 			}
 		}