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A type trait that determines whether a query
expression will not throw.
template< typename T, typename Property> struct is_nothrow_query : public integral_constant< bool, automatically_determined >
Class template is_nothrow_query
is a trait that is derived from true_type
if the expression boost::asio::query(std::declval<T>(),
std::declval<Property>())
is noexcept; otherwise false_type.
Header: boost/asio/query.hpp
Convenience header: boost/asio.hpp