template <size_t I, typename V>class UnionMemberView
Defined at line 38 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
|UnionMemberView| is a helper class for union members.
It's returned by various accessor methods on union natural domain objects.
It holds a shared_ptr reference to the underlying variant of the union.
Public Methods
void UnionMemberView<I, V> (Storage storage)Defined at line 45 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
UnionMemberView<I, V> & operator= (const T & value)Defined at line 47 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
UnionMemberView<I, V> & operator= (T && value)Defined at line 52 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
bool operator bool ()A std::optional-like API:
Defined at line 58 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
bool has_value ()Defined at line 59 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
const T & value ()Defined at line 61 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
T & value ()Defined at line 65 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
T & value ()Defined at line 69 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
const T * operator-> ()Defined at line 71 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
T * operator-> ()Defined at line 72 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
T * operator-> ()Defined at line 73 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
template <class U>T value_or (U && default_value)Defined at line 76 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
std::optional<T> take ()Move into a std::optional.
The union holds the same field with a moved-from state.
Defined at line 88 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h
template <typename U = T, typename = std::enable_if_t<std::is_copy_constructible<U>::value>>std::optional<T> operator std::optional<std::variant_alternative<value-parameter-0-0, type-parameter-0-1>::type> ()Copy into an std::optional.
The union holds the same field whose content is unchanged.
Defined at line 98 of file ../../sdk/lib/fidl/cpp/include/lib/fidl/cpp/natural_types.h