From aa132fbf12a8851195c49bd50a9d4e6c22fa5b94 Mon Sep 17 00:00:00 2001
From: Stephen Seo <seo.disparate@gmail.com>
Date: Thu, 24 Oct 2019 17:58:13 +0900
Subject: [PATCH] Add prefix inc/dec to TSLQIterWrapper

---
 cpp_impl/src/TSLQueue.hpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/cpp_impl/src/TSLQueue.hpp b/cpp_impl/src/TSLQueue.hpp
index c4fafe9..fd28bb3 100644
--- a/cpp_impl/src/TSLQueue.hpp
+++ b/cpp_impl/src/TSLQueue.hpp
@@ -51,6 +51,9 @@ class TSLQueue {
         bool prev();
         std::optional<T> current();
 
+        TSLQIterWrapper<isConst, isRev>& operator++();
+        TSLQIterWrapper<isConst, isRev>& operator--();
+
       private:
         std::conditional_t<isConst, const std::list<T>, std::list<T>>
             *containerPtr;
@@ -333,6 +336,20 @@ std::optional<T> TSLQueue<T>::TSLQIterWrapper<isConst, isRev>::current() {
     return *iter;
 }
 
+template <typename T>
+template <bool isConst, bool isRev>
+typename TSLQueue<T>::template TSLQIterWrapper<isConst, isRev>& TSLQueue<T>::TSLQIterWrapper<isConst, isRev>::operator++() {
+    next();
+    return *this;
+}
+
+template <typename T>
+template <bool isConst, bool isRev>
+typename TSLQueue<T>::template TSLQIterWrapper<isConst, isRev>& TSLQueue<T>::TSLQIterWrapper<isConst, isRev>::operator--() {
+    prev();
+    return *this;
+}
+
 template <typename T>
 typename TSLQueue<T>::template TSLQIterWrapper<false, false> TSLQueue<T>::iter() {
     return TSLQIterWrapper<false, false>(&container, iterValid, iterWrapperCount);
-- 
2.49.0