A type trait that determines the result type of a prefer
expression.
template< typename T, typename... Properties> struct prefer_result
Name |
Description |
---|---|
The result of the prefer expression. |
Class template prefer_result
is a trait that determines the result type of the expression asio::prefer(std::declval<T>(),
std::declval<Properties>()...)
.
Header: asio/prefer.hpp
Convenience header: asio.hpp