BloombergLP::bdlb::Variant7

Synopsis

Declared in <bdlb_variant.h>

template<
    class A1,
    class A2,
    class A3,
    class A4,
    class A5,
    class A6,
    class A7>
class Variant7
    : public VariantImp<bslmf::TypeList7<A1, A2, A3, A4, A5, A6, A7>::ListType>

Description

Its 7 template arguments must all be specified (none are defaulted to bslmf::Nil). It provides the same functionality as `Variant<A1, A2, ..., A7>`.

Base Classes

Name	Description
`VariantImp<bslmf::TypeList7<A1, A2, A3, A4, A5, A6, A7>::ListType>`	This class provides the implementation of `Variant` (except for the creators) given a list of template parameter `TYPES`.

Member Functions

Name	Description
`Variant7` [constructor]	Constructors
`operator=`	Assignment operators
`apply`	`apply` overloads
`applyRaw`	`applyRaw` overloads
`assign`	Assign the specified `TYPE` `value` to this object.
`assignTo`	Assign `value` converted to `TYPE` to this object.
`bdexStreamIn`	DEPRECATED: Do not use.
`bdexStreamOut`	DEPRECATED: Do not use.
`createInPlace`	Emplace a `TYPE` instance constructed from `arguments`.
`is`	Return whether this variant currently holds a `TYPE` value.
`isUnset`	Return whether this variant currently holds no value.
`maxSupportedBdexVersion`	DEPRECATED: Do not use.
`print`	Format this object to the specified output `stream`.
`reset`	Destroy the current value held by this variant (if any), and reset this variant to the unset state.
`swap`	Swap the value of this object with `other`.
`the`	`the` overloads
`typeIndex`	Return the 1-based index of the held type, or 0 if unset.
`typeInfo`	Return `typeid(void)`.
`operator BloombergLP::bslmf::NestedTraitDeclaration<Variant7, HasPrintMethod>`	Nested trait declaration for `bdlb::HasPrintMethod`.
`operator BloombergLP::bslmf::NestedTraitDeclaration<Variant7, IsBitwiseCopyable, Traits::k_VARIANT_IS_BITWISE_COPYABLE>`	Nested trait declaration for `bslmf::IsBitwiseCopyable`.
`operator BloombergLP::bslmf::NestedTraitDeclaration<Variant7, IsBitwiseMoveable, Traits::k_VARIANT_IS_BITWISE_MOVEABLE>`	Nested trait declaration for `bslmf::IsBitwiseMoveable`.
`operator BloombergLP::bslmf::NestedTraitDeclaration<Variant7, UsesBslmaAllocator, Traits::k_VARIANT_USES_BSLMA_ALLOCATOR>`	Nested trait declaration for `bslma::UsesBslmaAllocator`.
`operator BloombergLP::bslmf::NestedTraitDeclaration<VariantImp, HasPrintMethod>`	Nested trait declaration for `bdlb::HasPrintMethod`.
`operator BloombergLP::bslmf::NestedTraitDeclaration<VariantImp, IsBitwiseCopyable, Traits::k_VARIANT_IS_BITWISE_COPYABLE>`	Nested trait declaration for `bslmf::IsBitwiseCopyable`.
`operator BloombergLP::bslmf::NestedTraitDeclaration<VariantImp, IsBitwiseMoveable, Traits::k_VARIANT_IS_BITWISE_MOVEABLE>`	Nested trait declaration for `bslmf::IsBitwiseMoveable`.
`operator BloombergLP::bslmf::NestedTraitDeclaration<VariantImp, UsesBslmaAllocator, Traits::k_VARIANT_USES_BSLMA_ALLOCATOR>`	Nested trait declaration for `bslma::UsesBslmaAllocator`.

Non-Member Functions

Name	Description
`operator!=`	Return whether `lhs` and `rhs` do not have the same value.
`operator==`	Grant the equality comparison operator access to this class's private members.
`operator==`	Return whether `lhs` and `rhs` have the same value.
`swap`	Swap the values of the specified `a` and `b` objects.