Or maybe I went to school before C++11 was around.
¯\_(ツ)_/¯
If you went to school in the multi-core era or slightly before that it shouldn't have been a problem.
There isn't much need for atomics on single core, single CPU machines so if you went before that, it's understandable.
Or maybe I went to school before C++11 was around.
¯\_(ツ)_/¯