Class that behaves as a nullable reference. Main difference from the pointer - value comparison of pointed values.
Definition in file optional_ref.hpp.
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#include <optional>#include <type_traits>#include <boost/optional/optional_fwd.hpp>#include <userver/utils/assert.hpp>
This graph shows which files directly or indirectly include this file:Classes | |
| class | utils::OptionalRef< T > |
| Class that behaves as a nullable reference. Main difference from the pointer - value comparison of pointed values. More... | |
Namespaces | |
| namespace | utils |
| Utilities. | |
Functions | |
| template<class T , class U > | |
| constexpr bool | utils::operator== (OptionalRef< T > lhs, OptionalRef< U > rhs) noexcept |
| template<class T , class U > | |
| constexpr bool | utils::operator!= (OptionalRef< T > lhs, OptionalRef< U > rhs) noexcept |