--- ./../c++utilities/chrono/timespan.cpp.orig	2023-12-17 16:08:04.427911000 +0100

+++ ./../c++utilities/chrono/timespan.cpp	2023-12-17 16:08:21.333354000 +0100

@@ -5,6 +5,7 @@

 #include "../conversion/stringbuilder.h"

 #include "../conversion/stringconversion.h"

+#include <array>

 #include <charconv>

 #include <cmath>

 #include <cstdlib>