meta::complete_type

Defined in header <mgs/meta/concepts/complete_type.hpp>.

template <typename T>
concept complete_type = requires {
  sizeof(T);
};

The CompleteType concept is satisfied when T is a complete type.

Note

This concept is not part of C++20.

---

Concept emulation

namespace mgs {
namespace meta {

template <typename T>
struct is_complete_type { /* ... */ };

template <typename T>
constexpr auto is_complete_type_v = is_complete_type<T>::value;

template <typename T
          typename = std::enable_if_t<is_complete_type_v<T>>>
using complete_type = T;

} // namespace meta
} // namespace mgs

Example

#include <mgs/meta/concepts/complete_type.hpp>

using namespace mgs::meta;

static_assert(is_complete_type_v<void*>, "");
static_assert(!is_complete_type_v<void>, "");