[#BloombergLP-bdlar-SimpleTypeRef-manipulate-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlar.adoc[bdlar]::xref:BloombergLP/bdlar/SimpleTypeRef.adoc[SimpleTypeRef]::manipulate
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:mrdocs:

Invoke the specified `manipulator` on the value held by this object. The supplied `manipulator` must be an object callable with a value of any simple type as if it had the following signature: ` int manipulator(VALUE *value); ` Return the value from the invocation of `manipulator`.

== Synopsis

Declared in `<bdlar_simpletyperef.h>`

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


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