Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

Return an iterator to the element following the last element.

object::iterator
end() noexcept;
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Return a const iterator to the element following the last element.

object::const_iterator
end() const noexcept;
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