BloombergLP::bdlb::NullableValue::NullableValue

Synopses

Declared in <bdlb_nullablevalue.h>

Create a nullable object having the null value.

NullableValue() noexcept;

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Create a nullable object having the value of the specified original.

NullableValue(NullableValue const& original);

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Create a nullable object converted from the specified original.

template<class BDE_OTHER_TYPE>
explicit
NullableValue(NullableValue<BDE_OTHER_TYPE> const& original);

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Create a nullable object by moving from the specified original.

NullableValue(bslmf::MovableRef<NullableValue> original) noexcept(/* see-below */);

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Create a null nullable object that uses the specified allocator.

explicit
NullableValue(allocator_type const& allocator) noexcept;

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Create a nullable object having the null value.

NullableValue(bsl::nullopt_t const& nullopt) noexcept;

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Create a nullable object having the same value as the specified value (of NullableValue<BDE_OTHER_TYPE>) converted to TYPE.

template<class BDE_OTHER_TYPE>
NullableValue(BloombergLP::bslmf::MovableRef_Deduced<NullableValue<BDE_OTHER_TYPE>> value)
requires bsl::is_convertible<BDE_OTHER_TYPE, TYPE>::value &&
                     !bsl::is_same<bsl::optional<BDE_OTHER_TYPE>, TYPE>::value;

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Create a nullable object from the specified optional value.

template<class BDE_OTHER_TYPE>
NullableValue(BloombergLP::bslmf::MovableRef_Deduced<bsl::optional<BDE_OTHER_TYPE>> value)
requires bsl::is_convertible<BDE_OTHER_TYPE, TYPE>::value &&
                     !bsl::is_same<bsl::optional<BDE_OTHER_TYPE>, TYPE>::value;

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Create a nullable object from the specified optional value.

template<class BDE_OTHER_TYPE>
NullableValue(bsl::optional<BDE_OTHER_TYPE> const& value)
requires bsl::is_convertible<BDE_OTHER_TYPE, TYPE>::value &&
                     !bsl::is_same<bsl::optional<BDE_OTHER_TYPE>, TYPE>::value;

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Create a nullable object from the specified value converted to TYPE.

template<class BDE_OTHER_TYPE>
NullableValue(BDE_OTHER_TYPE&& value)
requires bsl::is_convertible<BDE_OTHER_TYPE, TYPE>::value &&
                      !bsl::is_convertible<BDE_OTHER_TYPE,
                                           allocator_type>::value;

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Create a nullable object by moving original using allocator.

NullableValue(
    bslmf::MovableRef<NullableValue> original,
    allocator_type const& allocator);

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Create a copy of original that uses the specified allocator.

NullableValue(
    NullableValue const& original,
    allocator_type const& allocator);

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Create a null nullable object that uses the specified allocator.

NullableValue(
    bsl::nullopt_t const& nullopt,
    allocator_type const& allocator) noexcept;

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Create a nullable object by converting the specified value.

template<class BDE_OTHER_TYPE>
NullableValue(
    BloombergLP::bslmf::MovableRef_Deduced<NullableValue<BDE_OTHER_TYPE>> value,
    allocator_type const& allocator)
requires bsl::is_convertible<BDE_OTHER_TYPE, TYPE>::value &&
                     !bsl::is_same<bsl::optional<BDE_OTHER_TYPE>, TYPE>::value;

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Create a nullable object from the specified value using the specified allocator.

template<class BDE_OTHER_TYPE>
NullableValue(
    BloombergLP::bslmf::MovableRef_Deduced<bsl::optional<BDE_OTHER_TYPE>> value,
    allocator_type const& allocator)
requires bsl::is_convertible<BDE_OTHER_TYPE, TYPE>::value &&
                     !bsl::is_same<bsl::optional<BDE_OTHER_TYPE>, TYPE>::value;

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Create a nullable object from original using allocator.

template<class BDE_OTHER_TYPE>
NullableValue(
    NullableValue<BDE_OTHER_TYPE> const& original,
    allocator_type const& allocator);

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Create a nullable object having the value of the specified value (of BDE_OTHER_TYPE) converted to TYPE and that uses the specified allocator to supply memory.

template<class BDE_OTHER_TYPE>
NullableValue(
    bsl::optional<BDE_OTHER_TYPE> const& value,
    allocator_type const& allocator)
requires bsl::is_convertible<BDE_OTHER_TYPE, TYPE>::value &&
                     !bsl::is_same<bsl::optional<BDE_OTHER_TYPE>, TYPE>::value;

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Create a nullable object from value using the specified allocator.

template<class BDE_OTHER_TYPE>
NullableValue(
    BDE_OTHER_TYPE&& value,
    allocator_type const& allocator)
requires bsl::is_convertible<BDE_OTHER_TYPE, TYPE>::value;

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