Invoke the held member function pointer with the specified twelve arguments.
Declared in <bdlf_memfn.h>
<bdlf_memfn.h>
MemFnInstance<PROTOTYPE, INSTANCE>::ResultType operator()( ARG1 arg1, ARG2 arg2, ARG3 arg3, ARG4 arg4, ARG5 arg5, ARG6 arg6, ARG7 arg7, ARG8 arg8, ARG9 arg9, ARG10 arg10, ARG11 arg11, ARG12 arg12) const;