The STL was mostly standardised in C++98, 1998. There were additions in C++03 and C++11, but nothing like removing this type of overload. Long running systems

The STL was mostly standardised in C++98, 1998. There were additions in C++03 and C++11, but nothing like removing this type of overload. Long running systems were still using pre-standardisation libraries for string up to 2012 however, so you may well have come across such projects.