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