From 71201147b6e10abaeaf72a8dc3438e38802199f6 Mon Sep 17 00:00:00 2001
From: Nikhil Benesch <nikhil.benesch@gmail.com>
Date: Tue, 3 Nov 2020 10:39:34 -0500
Subject: [PATCH] api: impl Clone for ByteRecordIter and StringRecordIter

Cloneable iterators are useful when writing code that is generic over
iterators that needs to be able to iterate twice.

PR #204
---
 src/byte_record.rs   | 1 +
 src/string_record.rs | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/byte_record.rs b/src/byte_record.rs
index 42edb0d..777526e 100644
--- a/src/byte_record.rs
+++ b/src/byte_record.rs
@@ -761,6 +761,7 @@ impl<T: AsRef<[u8]>> Extend<T> for ByteRecord {
 ///
 /// The `'r` lifetime variable refers to the lifetime of the `ByteRecord` that
 /// is being iterated over.
+#[derive(Clone)]
 pub struct ByteRecordIter<'r> {
     /// The record we are iterating over.
     r: &'r ByteRecord,
diff --git a/src/string_record.rs b/src/string_record.rs
index 0daedb1..4e807f2 100644
--- a/src/string_record.rs
+++ b/src/string_record.rs
@@ -699,6 +699,7 @@ impl<'a> IntoIterator for &'a StringRecord {
 ///
 /// The `'r` lifetime variable refers to the lifetime of the `StringRecord`
 /// that is being iterated over.
+#[derive(Clone)]
 pub struct StringRecordIter<'r>(ByteRecordIter<'r>);
 
 impl<'r> Iterator for StringRecordIter<'r> {