Improved includes

ankane · ankane · commit 3b36e4797f1a · 2026-03-04T22:50:33.000-08:00
diff --git a/test/pqxx_test.cpp b/test/pqxx_test.cpp
@@ -1,6 +1,8 @@
 #include <cassert>
+#include <functional>
 #include <optional>
 #include <string>
+#include <string_view>
 #include <vector>
 
 #include <pqxx/pqxx>
