pqxx::nullness< std::optional< T > > Struct Template Reference

Static Public Member Functions
static constexpr bool	is_null (std::optional< T > const &v) noexcept
static constexpr std::optional< T >	null ()

Static Public Attributes
static constexpr bool	has_null = true
static constexpr bool	always_null = nullness<T>::always_null
	Technically, you could have an optional of an always-null type.

Member Function Documentation

is_null()

template<typename T>

constexpr bool pqxx::nullness< std::optional< T > >::is_null ( std::optional< T > const & v )

inlinestaticconstexprnoexcept

null()

template<typename T>

constexpr std::optional< T > pqxx::nullness< std::optional< T > >::null ( )

inlinestaticconstexpr

Member Data Documentation

always_null

template<typename T>

bool pqxx::nullness< std::optional< T > >::always_null = nullness<T>::always_null

staticconstexpr

Technically, you could have an optional of an always-null type.

has_null

template<typename T>

bool pqxx::nullness< std::optional< T > >::has_null = true

staticconstexpr

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

• /builddir/build/BUILD/libpqxx-7.10.5-build/libpqxx-7.10.5/redhat-linux-build/include/pqxx/internal/conversions.hxx