From a63b7315d030b91228b7ae148a55fd3985a21376 Mon Sep 17 00:00:00 2001
From: Don Rowe <rowedonalde@gmail.com>
Date: Mon, 3 Oct 2016 21:18:29 -0700
Subject: [PATCH] Implement Display trait for CompressionMethod.

It's an alias to the Debug format, but we can't derive Display yet,
so we associate it explicitly.
---
 src/compression.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/compression.rs b/src/compression.rs
index 927fc9e1..4581bfbf 100644
--- a/src/compression.rs
+++ b/src/compression.rs
@@ -1,5 +1,7 @@
 //! Possible ZIP compression methods.
 
+use std::fmt;
+
 /// Compression methods for the contents of a ZIP file.
 #[derive(Copy, Clone, PartialEq, Debug)]
 pub enum CompressionMethod
@@ -39,6 +41,13 @@ impl CompressionMethod {
     }
 }
 
+impl fmt::Display for CompressionMethod {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        // Just duplicate what the Debug format looks like, i.e, the enum key:
+        write!(f, "{:?}", self)
+    }
+}
+
 #[cfg(test)]
 mod test {
     use super::CompressionMethod;