That works only for simple datatypes. Any not trivial object (containing large amount of memory, handles, file descriptors etc.) is non-copyable. Thus list<pers

That works only for simple datatypes. Any not trivial object (containing large amount of memory, handles, file descriptors etc.) is non-copyable. Thus list<person> won't work (according to STL, "person" has to be model of Assignable concept.)