[#BloombergLP-bdlar-ChoiceRef-manipulateSelection]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlar.adoc[bdlar]::xref:BloombergLP/bdlar/ChoiceRef.adoc[ChoiceRef]::manipulateSelection
:relfileprefix: ../../../
:mrdocs:

Invoke the specified `manipulator` on the address of the (modifiable) selection, supplying `manipulator` with the corresponding selection information structure. The supplied `manipulator` must be a callable type that can be called as if it had the following signature: ` template <class t_INFO> int manipulator(SELECTION *refOrValue, const t_INFO& info); ` Return the value returned from the invocation of `manipulator`. The behavior is undefined unless `selectionId() != ‐1`.

== Synopsis

Declared in `<bdlar_choiceref.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename t_MANIPULATOR>
int
manipulateSelection(t_MANIPULATOR& manipulator) const;
----


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