[#BloombergLP-bdlf-MemFn-operator_call-0133] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlf.adoc[bdlf]::xref:BloombergLP/bdlf/MemFn.adoc[MemFn]::operator() :relfileprefix: ../../../ :mrdocs: Invoke the member function pointer held by this wrapper on the specified `object` reference to a modifiable instance of the parameterized `INSTANCE` type, with the specified argument `arg1` up to `arg7`, and return the result of this invocation, or `void` if this member function pointer does not return a result. == Synopsis Declared in `<bdlf_memfn.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template<class INSTANCE> xref:BloombergLP/bdlf/MemFn/ResultType.adoc[ResultType] operator()( INSTANCE& 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) const; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#