[#BloombergLP-ball-ScopedAttribute_Container]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::ScopedAttribute_Container
:relfileprefix: ../../
:mrdocs:

This component‐private class is a concrete implementation of the `AttributeContainer` protocol for a single attribute.

== Synopsis

Declared in `<ball_scopedattribute.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class ScopedAttribute_Container
    : public xref:BloombergLP/ball/AttributeContainer.adoc[AttributeContainer]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:BloombergLP/ball/AttributeContainer.adoc[AttributeContainer]`
| This class defines a protocol for a container of attribute values. The attribute container provides a `hasValue()` method to determine whether an attribute value is in the container.
|===

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/ball/ScopedAttribute_Container/allocator_type.adoc[`allocator_type`] 
| `allocator_type` is an alias for the type of allocator used by this class.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/ball/ScopedAttribute_Container/2constructor-01.adoc[`ScopedAttribute_Container`]         [.small]#[constructor]#
| Constructors
| xref:BloombergLP/ball/ScopedAttribute_Container/2destructor.adoc[`~ScopedAttribute_Container`] [.small]#[destructor]# [.small]#[virtual]#
| Destroy this object.
| xref:BloombergLP/ball/ScopedAttribute_Container/get_allocator.adoc[`get_allocator`] 
| Return the allocator used by this object to supply memory. Note that if no allocator was supplied at construction the default allocator in effect at construction is used.
| xref:BloombergLP/ball/ScopedAttribute_Container/hasValue-0c.adoc[`hasValue`] 
| `hasValue` overloads
| xref:BloombergLP/ball/ScopedAttribute_Container/print.adoc[`print`]  [.small]#[virtual]#
| Format this object to the specified output `stream` at the (absolute value of) the optionally specified indentation `level` and return a reference to `stream`. If `level` is specified, optionally specify `spacesPerLevel`, the number of spaces per indentation level for this and all of its nested objects. If `level` is negative, suppress indentation of the first line. If `spacesPerLevel` is negative, format the entire output on one line, suppressing all but the initial indentation (as governed by `level`). If `stream` is not valid on entry, this operation has no effect.
| xref:BloombergLP/ball/ScopedAttribute_Container/visitAttributes-01.adoc[`visitAttributes`] 
| Invoke the specified `visitor` function for all attributes in this container.
| xref:BloombergLP/ball/ScopedAttribute_Container/2conversion.adoc[`operator BloombergLP::bslmf::NestedTraitDeclaration<ScopedAttribute_Container, UsesBslmaAllocator>`] 
| Declare that this type uses a `bslma` allocator.
|===



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