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

Return `true` if for every attribute maintained by this object, an attribute with the same name and value exists in the specified `containerList`; and `false` otherwise.

== Synopsis

Declared in `<ball_rule.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
evaluate(xref:BloombergLP/ball/AttributeContainerList.adoc[AttributeContainerList] const& containerList) const;
----


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