From f4a8d2d97fce0783a4c0cc08231cdc30c5dba135 Mon Sep 17 00:00:00 2001
From: Luca <passa>
Date: Thu, 14 Apr 2022 14:35:55 +0200
Subject: [PATCH] tidying up code, no change to logic

---
 include/nlohmann/detail/input/input_adapters.hpp | 8 ++++----
 single_include/nlohmann/json.hpp                 | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/nlohmann/detail/input/input_adapters.hpp b/include/nlohmann/detail/input/input_adapters.hpp
index 49d04395c..e693f235b 100644
--- a/include/nlohmann/detail/input/input_adapters.hpp
+++ b/include/nlohmann/detail/input/input_adapters.hpp
@@ -158,14 +158,14 @@ class iterator_input_adapter
     }
 
   private:
-    IteratorType current;
-    IteratorType end;
-    bool current_has_been_consumed = false;
+    mutable IteratorType current;
+    const IteratorType end;
+    mutable bool current_has_been_consumed;
 
     template<typename BaseInputAdapter, size_t T>
     friend struct wide_string_input_helper;
 
-    bool empty()
+    bool empty() const
     {
         if (JSON_HEDLEY_LIKELY(current_has_been_consumed))
         {
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index fdcf4e818..f4fd494df 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -5568,14 +5568,14 @@ class iterator_input_adapter
     }
 
   private:
-    IteratorType current;
-    IteratorType end;
-    bool current_has_been_consumed = false;
+    mutable IteratorType current;
+    const IteratorType end;
+    mutable bool current_has_been_consumed;
 
     template<typename BaseInputAdapter, size_t T>
     friend struct wide_string_input_helper;
 
-    bool empty()
+    bool empty() const
     {
         if (JSON_HEDLEY_LIKELY(current_has_been_consumed))
         {