Registrar

Fully qualified name: carb::variant::Registrar

Defined in carb/variant/VariantUtils.h

class Registrar

Lifetime management wrapper for IVariant::registerType().

Public Functions

constexpr Registrar() noexcept

Default constructor.

Constructs an empty registrar.

Registrar(const VTable *vtable) noexcept

Constructor.

Registers the type.

See also

IVariant::registerType()

Note

If registration fails, isEmpty() will return true.

Parameters:

vtable – The v-table pointer to register.

~Registrar() noexcept

Destructor.

Unregisters the type. No-op if isEmpty() returns true.

Registrar(Registrar &&other) noexcept

Move-construct.

Moves the registered type to *this and leaves other empty.

Parameters:

other – The other Registrar to move from.

Registrar &operator=(Registrar &&other) noexcept

Move-assign.

Swaps state with other.

Parameters:

other – The other Registrar to swap state with.

Returns:

*this

bool isEmpty() const noexcept

Checks whether *this is empty.

Returns:

true if *this does not contain a valid type; false otherwise.

RString getType() const noexcept

Retrieves the registered type.

Returns:

The managed type, or an empty RString if *this is empty and no type is managed.

void reset() noexcept

Resets *this to an empty state, unregistering any registered type.