BloombergLP::bslstl::Optional_Base<t_TYPE, false>::Optional_Base

Synopses

Declared in <bslstl_optional.h>

Create a disengaged Optional_Base object.

constexpr
Optional_Base();

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Create a disengaged Optional_Base object.

constexpr
Optional_Base(bsl::nullopt_t nullopt);

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These allocator-extended constructors cannot be called, and are provided only to prevent compilation errors when 'optional' is explicitly instantiated.

Optional_Base(
    std::allocator_arg_t allocatorArg,
    AllocType allocator);

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Create an Optional_Base object whose contained value is initialized by forwarding from the specified value.

template<class t_ANY_TYPE>
constexpr
Optional_Base(
    BloombergLP::bslstl::Optional_ConstructFromForwardRef tag,
    t_ANY_TYPE&& value);

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Create an Optional_Base object.

template<class t_ANY_TYPE>
constexpr
Optional_Base(
    BloombergLP::bslstl::Optional_CopyConstructFromOtherOptional tag,
    Optional_Base<t_ANY_TYPE> const& original);

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Create an Optional_Base by copying from a std::optional.

template<class t_ANY_TYPE>
constexpr
Optional_Base(
    BloombergLP::bslstl::Optional_CopyConstructFromStdOptional tag,
    std::optional<t_ANY_TYPE> const& original);

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Create an Optional_Base object.

template<class t_ANY_TYPE>
constexpr
Optional_Base(
    BloombergLP::bslstl::Optional_MoveConstructFromOtherOptional tag,
    Optional_Base<t_ANY_TYPE>&& original);

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Create an Optional_Base by moving from a std::optional.

template<class t_ANY_TYPE>
constexpr
Optional_Base(
    BloombergLP::bslstl::Optional_MoveConstructFromStdOptional tag,
    std::optional<t_ANY_TYPE>&& original);

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Create an Optional_Base object whose contained value is initialized from the specified args.

template<class... t_ARGS>
constexpr
explicit
Optional_Base(
    std::in_place_t inPlace,
    t_ARGS&&... args);

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Create a disengaged Optional_Base using allocator.

Optional_Base(
    std::allocator_arg_t allocatorArg,
    AllocType allocator,
    bsl::nullopt_t nullopt);

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Create an Optional_Base object, which contains the result of invocation of the specified invocable with the specified arg.

template<
    class t_INVOCABLE,
    class t_ARG>
Optional_Base(
    Optional_InvokeConstructorTag tag,
    t_INVOCABLE&& invocable,
    t_ARG&& arg);

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Create an Optional_Base object whose contained value is initialized from the specified il and args.

template<
    class t_INIT_LIST_TYPE,
    class... t_ARGS>
constexpr
Optional_Base(
    std::in_place_t inPlace,
    std::initializer_list<t_INIT_LIST_TYPE> il,
    t_ARGS&&... args);

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Create an Optional_Base whose value is forwarded from value.

template<class t_ANY_TYPE>
Optional_Base(
    std::allocator_arg_t allocatorArg,
    AllocType allocator,
    BloombergLP::bslstl::Optional_ConstructFromForwardRef tag,
    t_ANY_TYPE&& value);

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Create an Optional_Base by copying from another optional.

template<class t_ANY_TYPE>
Optional_Base(
    std::allocator_arg_t allocatorArg,
    AllocType allocator,
    BloombergLP::bslstl::Optional_CopyConstructFromOtherOptional tag,
    Optional_Base<t_ANY_TYPE> const& original);

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Create an Optional_Base by copying from a std::optional.

template<class t_ANY_TYPE>
Optional_Base(
    std::allocator_arg_t allocatorArg,
    AllocType allocator,
    BloombergLP::bslstl::Optional_CopyConstructFromStdOptional tag,
    std::optional<t_ANY_TYPE> const& original);

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Create an Optional_Base by moving from another optional.

template<class t_ANY_TYPE>
Optional_Base(
    std::allocator_arg_t allocatorArg,
    AllocType allocator,
    BloombergLP::bslstl::Optional_MoveConstructFromOtherOptional tag,
    Optional_Base<t_ANY_TYPE>&& original);

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Create an Optional_Base by moving from a std::optional.

template<class t_ANY_TYPE>
Optional_Base(
    std::allocator_arg_t allocatorArg,
    AllocType allocator,
    BloombergLP::bslstl::Optional_MoveConstructFromStdOptional tag,
    std::optional<t_ANY_TYPE>&& original);

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Create an Optional_Base with an in-place constructed value.

template<class... t_ARGS>
Optional_Base(
    std::allocator_arg_t allocatorArg,
    AllocType allocator,
    std::in_place_t inPlace,
    t_ARGS&&... args);

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Create an Optional_Base with an in-place constructed value.

template<
    class t_INIT_LIST_TYPE,
    class... t_ARGS>
Optional_Base(
    std::allocator_arg_t allocatorArg,
    AllocType allocator,
    std::in_place_t inPlace,
    std::initializer_list<t_INIT_LIST_TYPE> il,
    t_ARGS&&... args);

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