Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This version of Boost is under active development. You are currently in the develop branch. The current version is 1.90.0.
A type trait that determines whether a require
expression is well-formed.
template< typename T, typename... Properties> struct can_require : public integral_constant< bool, automatically_determined >
Class template can_require
is a trait that is derived from true_type
if the expression boost::asio::require(std::declval<T>(),
std::declval<Properties>()...)
is well formed; otherwise false_type.
Header: boost/asio/require.hpp
Convenience header: boost/asio.hpp