[#BloombergLP-bdlf-MemFn-operator_call-09f]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlf.adoc[bdlf]::xref:BloombergLP/bdlf/MemFn.adoc[MemFn]::operator()
:relfileprefix: ../../../
:mrdocs:

Invoke the held member function with twelve arguments&period;

== Synopsis

Declared in `&lt;bdlf&lowbar;memfn&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class INSTANCE&gt;
xref:BloombergLP/bdlf/MemFn/ResultType.adoc[ResultType]
operator()(
    INSTANCE const& object,
    xref:BloombergLP/bdlf/MemFn.adoc[ARG1] arg1,
    xref:BloombergLP/bdlf/MemFn.adoc[ARG2] arg2,
    xref:BloombergLP/bdlf/MemFn.adoc[ARG3] arg3,
    xref:BloombergLP/bdlf/MemFn.adoc[ARG4] arg4,
    xref:BloombergLP/bdlf/MemFn.adoc[ARG5] arg5,
    xref:BloombergLP/bdlf/MemFn.adoc[ARG6] arg6,
    xref:BloombergLP/bdlf/MemFn.adoc[ARG7] arg7,
    xref:BloombergLP/bdlf/MemFn.adoc[ARG8] arg8,
    xref:BloombergLP/bdlf/MemFn.adoc[ARG9] arg9,
    xref:BloombergLP/bdlf/MemFn.adoc[ARG10] arg10,
    xref:BloombergLP/bdlf/MemFn.adoc[ARG11] arg11,
    xref:BloombergLP/bdlf/MemFn.adoc[ARG12] arg12) const;
----

== Description

Invoke the member function pointer held by this wrapper on the specified `object` reference to a non&hyphen;modifiable instance of the parameterized `INSTANCE` type, with the specified arguments `arg1` up to `arg12`, and return the result of this invocation, or `void` if this member function pointer does not return a result&period;

== Return Value

result of the member&hyphen;function invocation

== Parameters

[cols="1,4"]
|===
| Name| Description
| *object*
| instance on which to invoke the member function
| *arg1*
| first argument
| *arg2*
| second argument
| *arg3*
| third argument
| *arg4*
| fourth argument
| *arg5*
| fifth argument
| *arg6*
| sixth argument
| *arg7*
| seventh argument
| *arg8*
| eighth argument
| *arg9*
| ninth argument
| *arg10*
| tenth argument
| *arg11*
| eleventh argument
| *arg12*
| twelfth argument
|===


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