70 enum class DiffType { Control, ChangeFirst, ChangeMiddle, ChangeLast };  enumerator
80     case DiffType::Control:  in getSmallString()
98     case DiffType::Control:  in getLargeString()
116     case DiffType::Control:  in getHugeString()
128                                          DiffType D = DiffType::Control) {  in getString()
142                                           DiffType D = DiffType::Control,  in makeString()
161           makeString(Length(), DiffType::Control, Opaque()));  in run()
367     constexpr auto D = DiffType::Control;  in run()
427     if (LHLength() != RHLength() && DiffType() != ::DiffType::Control)  in skip()
430     if (LHLength() == Length::Empty && DiffType() != ::DiffType::Control)  in skip()
468     if (LHLength() != RHLength() && DiffType() != ::DiffType::Control)  in skip()
558     const auto Control = makeString(L);  in sanityCheckGeneratedStrings()  local
561       if (Control[Pos] != Exp[Pos]) {  in sanityCheckGeneratedStrings()
562         Exp[Pos] = Control[Pos];  in sanityCheckGeneratedStrings()
563         if (Control == Exp)  in sanityCheckGeneratedStrings()
571     Verify(makeString(L, DiffType::ChangeMiddle), Control.size() / 2);  in sanityCheckGeneratedStrings()
572     Verify(makeString(L, DiffType::ChangeLast), Control.size() - 1);  in sanityCheckGeneratedStrings()