392 function setHasEqualElement(set, val1, strict, memo) {  argument
395     if (innerDeepEqual(val1, val2, strict, memo)) {
438 function mapMightHaveLoosePrim(a, b, prim, item, memo) {  argument
445       !innerDeepEqual(item, curB, false, memo)) {
448   return !a.has(altValue) && innerDeepEqual(item, curB, false, memo);
451 function setEquiv(a, b, strict, memo) {  argument
489         if (!setHasEqualElement(set, val, strict, memo))
493                  !setHasEqualElement(set, val, strict, memo)) {
503 function mapHasEqualEntry(set, map, key1, item1, strict, memo) {  argument
508     if (innerDeepEqual(key1, key2, strict, memo) &&
509       innerDeepEqual(item1, map.get(key2), strict, memo)) {
518 function mapEquiv(a, b, strict, memo) {  argument
532           !innerDeepEqual(item1, item2, strict, memo))) {
537         if (!mapMightHaveLoosePrim(a, b, key, item1, memo))
550         if (!mapHasEqualEntry(set, a, key, item, strict, memo))
554                    !innerDeepEqual(a.get(key), item, false, memo)) &&
555                  !mapHasEqualEntry(set, a, key, item, false, memo)) {