Fix ordered_map::erase(first, last) with first == last

nlohmann · Jun 29, 2022 · 11cb1cc · 11cb1cc
1 parent 851f13c
commit 11cb1cc
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diff --git a/include/nlohmann/ordered_map.hpp b/include/nlohmann/ordered_map.hpp
@@ -199,6 +199,11 @@ template <class Key, class T, class IgnoredLess = std::less<Key>,
 
     iterator erase(iterator first, iterator last)
     {
+        if (first == last)
+        {
+            return first;
+        }
+
         const auto elements_affected = std::distance(first, last);
         const auto offset = std::distance(Container::begin(), first);
 

diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
@@ -18458,6 +18458,11 @@ template <class Key, class T, class IgnoredLess = std::less<Key>,
 
     iterator erase(iterator first, iterator last)
     {
+        if (first == last)
+        {
+            return first;
+        }
+
         const auto elements_affected = std::distance(first, last);
         const auto offset = std::distance(Container::begin(), first);