Concepts in the <iterator> Header
Explore key C++20 concepts shipped with the standard library's <iterator> header. Understand how concepts like std::indirect_unary_predicate and std::indirectly_comparable enforce constraints on callables and iterators. This lesson helps you apply these concepts for safer and clearer generic programming with algorithms.
We'll cover the following...
We'll cover the following...
In the <iterator> header, we’ll find concepts that can be very useful in dealing with algorithms. The functions in <iterator> do not operate directly on containers but through iterators.
std::indirect_unary_predicate<F, I>
Some concepts are related to callables. For those, we can specify that we accept only unary predicates. ...