From cppreference.com
constexprconstIter&base()const&noexcept; (1) (since C++23)constexprIterbase()&&; (2) (since C++23)Returns the underlying base iterator.
1) Returns a reference to the underlying iterator.
2) Move constructs the return value from the underlying iterator.
Parameters
(none)
Return value
1) A reference to the underlying iterator.
2) An iterator move constructed from the underlying iterator.
Example
See also