#include <conversions.hxx>
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| static constexpr bool | is_null (std::optional< T > const &v) noexcept |
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| static constexpr std::optional< T > | null () |
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| static constexpr bool | has_null = true |
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| static constexpr bool | always_null = nullness<T>::always_null |
| | Technically, you could have an optional of an always-null type. More...
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template<typename T >
| static constexpr bool pqxx::nullness< std::optional< T > >::is_null |
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std::optional< T > const & |
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inlinestaticnoexcept |
template<typename T >
| static constexpr std::optional<T> pqxx::nullness< std::optional< T > >::null |
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inlinestatic |
Technically, you could have an optional of an always-null type.
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