Refactor `NNTreeIterator::lastPathElement`: simplify logic with conditional `std::prev` usage.

m-holger
1 parent d4a56364
Showing 1 changed file with 1 additions and 5 deletions
libqpdf/NNTree.cc
@@ -337,11 +337,7 @@ NNTreeIterator::split(Dictionary to_split, std::list&lt;PathElement&gt;::iterator pare
 std::list<NNTreeIterator::PathElement>::iterator
 NNTreeIterator::lastPathElement()
 {
-    auto result = path.end();
-    if (!path.empty()) {
-        --result;
-    }
-    return result;
+    return path.empty() ? path.end() : std::prev(path.end());
 }
 void