From 0ee1dfdfbd1b4f5fb5c5c7ea47e6d77f34791e9b Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 12 May 2021 19:03:33 +0100
Subject: [PATCH] bundles: Implement some more traits for ZipIndex

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 src/bundles.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/bundles.rs b/src/bundles.rs
index 6f0f51e8..817b440f 100644
--- a/src/bundles.rs
+++ b/src/bundles.rs
@@ -281,7 +281,12 @@ pub struct IndexedZip {
 }
 deref_to_field_mut!{IndexedZip, ZipArchive, za }
 
+#[derive(Debug,Copy,Clone,Hash,Eq,PartialEq,Ord,PartialOrd)]
 pub struct ZipIndex(pub usize);
+impl Display for ZipIndex {
+  #[throws(fmt::Error)]
+  fn fmt(&self, f: &mut Formatter) { write!(f,"{}",self.0)? }
+}
 
 impl IndexedZip where {
   #[throws(LoadError)]
-- 
2.30.2