Static Public Member Functions
static constexpr bool	is_null (std::variant< T... > const &value) noexcept

static constexpr std::variant< T... >	null ()=delete

Static Public Attributes
static constexpr bool	has_null = (nullness<T>::has_null or ...)

static constexpr bool	always_null = (nullness<T>::always_null and ...)

Member Function Documentation

template<typename... T>

static constexpr bool pqxx::nullness< std::variant< T... > >::is_null ( std::variant< T... > const & value )

inlinestaticnoexcept

template<typename... T>

static constexpr std::variant<T...> pqxx::nullness< std::variant< T... > >::null ( )

staticdelete

It would be technically possible to have a null in the case where just one of the types has a null, but it gets complicated and arbitrary.

Member Data Documentation

template<typename... T>

constexpr bool pqxx::nullness< std::variant< T... > >::always_null = (nullness<T>::always_null and ...)

static

template<typename... T>

constexpr bool pqxx::nullness< std::variant< T... > >::has_null = (nullness<T>::has_null or ...)

static

The documentation for this struct was generated from the following file:

/tmp/B.ciyvkay4/BUILD/libpqxx-7.10.7-build/libpqxx-7.10.7/include/pqxx/internal/conversions.hxx