make mutex mutable

This commit is contained in:
Lion Kortlepel
2024-03-07 01:03:16 +01:00
parent c85e026c2d
commit 7e1f86478d

View File

@@ -41,7 +41,7 @@ struct UnitExecutionTime {
size_t measurement_count() const;
private:
std::mutex m_mtx {};
mutable std::mutex m_mtx {};
size_t m_total_calls {};
double m_sum {};
// sum of measurements squared (for running stdev)