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