[#BloombergLP-bslstl-Optional_Data-09]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Optional_Data-0c.adoc[Optional_Data]<t_TYPE, true>
:relfileprefix: ../../
:mrdocs:

Partial specialization for a trivially destructible contained value.

== Synopsis

Declared in `<bslstl_optional.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_TYPE>
struct xref:BloombergLP/bslstl/Optional_Data-0c.adoc[Optional_Data]<t_TYPE, true>
    : xref:BloombergLP/bslstl/Optional_DataImp.adoc[Optional_DataImp<t_TYPE>]
----

== Description

This partial specialization manages a trivially destructible `value_type` in Optional_Base. It does not have a user‐provided destructor, which makes it `is_trivially_destructible` itself.

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:BloombergLP/bslstl/Optional_DataImp.adoc[Optional_DataImp<t_TYPE>]`
| Component‐private buffer managing an optional's contained value.
|===

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslstl/Optional_DataImp/emplace-09.adoc[`emplace`] 
| Destroy any contained value and construct a new one in place.
| xref:BloombergLP/bslstl/Optional_DataImp/hasValue.adoc[`hasValue`] 
| Return `true` if this objects has a value, and `false` otherwise.
| xref:BloombergLP/bslstl/Optional_DataImp/reset.adoc[`reset`] 
| Destroy the `value_type` object in `d_buffer`, if any.
| xref:BloombergLP/bslstl/Optional_DataImp/value-0c.adoc[`value`] 
| `value` overloads
| xref:BloombergLP/bslstl/Optional_Data-09/2conversion.adoc[`operator BloombergLP::bslmf::NestedTraitDeclaration<Optional_Data, IsBitwiseCopyable, bslmf::IsBitwiseCopyable<t_TYPE>::value>`] 
| Nested trait declaration for `bslmf::IsBitwiseCopyable`.
|===


== Using Declarations

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslstl/Optional_Data-09/_10using.adoc[`Unnamed using`] 
| Inherit `Optional_DataImp` constructors from the base class.
|===



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