Jan 28, 2025 · Iterators are a generalization of pointers that allow a C++ program to work with different data structures (for example, containers and ranges (since C++20)) in a uniform …

Oct 1, 2023 · std::iterator is the base class provided to simplify definitions of the required types for iterators.

Apr 12, 2024 · Everything inside this header is freestanding beside stream iterators. (since C++23) 1Concepts Iterator concepts Indirect callable concepts Common algorithm …

Jan 17, 2025 · The default-constructed std::istreambuf_iterator is known as the end-of-stream iterator. When a std::istreambuf_iterator reaches the end of the underlying stream, it becomes …

May 9, 2025 · Notes Unlike the LegacyInputIterator requirements, the input_iterator concept does not require equality_comparable, since input iterators are typically compared with sentinels.

Oct 30, 2024 · Two end iterators are always equal, dereferencing or incrementing the end iterator is undefined behavior. If a file or a directory is deleted or added to the directory tree after the …

Jul 12, 2024 · std::iterator_traits is the type trait class that provides uniform interface to the properties of LegacyIterator types. This makes it possible to implement algorithms only in …

Oct 1, 2023 · To define specialized algorithm for contiguous iterators, use the contiguous_iterator concept.(since C++20) There are no correspondences between output_iterator_tag and the …

Sep 30, 2023 · Inherits the properties from customized (generated from either a standard partial specialization or a program-defined specialization) std::iterator_traits<I>, with the member type …

Nov 4, 2024 · Parameters n - the number of positions to increment the iterator it - the iterator adaptor to increment