#include <optional_last_value.hpp>
Public Types | |
typedef optional< T > | result_type |
Public Member Functions | |
template<typename InputIterator > | |
optional< T > | operator() (InputIterator first, InputIterator last) const |
typedef optional<T> boost::signals2::optional_last_value< T >::result_type |
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inline |
References boost::xpressive::first, and boost::program_options::value().