Same as the preceding equal overload, taking explicit range lengths.
equal
Declared in <bslalg_rangecompare.h>
<bslalg_rangecompare.h>
template<class INPUT_ITER> static bool equal( INPUT_ITER start1, INPUT_ITER end1, size_type length1, INPUT_ITER start2, INPUT_ITER end2, size_type length2);