Chapter 16
STL’s Associative Containers
All of the STL containers you have seen so far have stored individual data elements. In this chapter you will be introduced to associative containers. These containers associate a key with the data values that you are inserting. In the case of the map and unordered_map containers, you are required to supply a value to use as the key, whereas the set and unordered_set containers automatically generate keys from the data you supply. I’ll explain the differences between each of these containers as I work through some examples in this chapter, beginningwith the set container.
The STL set Container
You won’t be surprised to find out that a set is a template class and you are required to specialize the ...
Get Learn C++ for Game Development now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
