sameElements method
Returns true if this collection has the same elements, in the same order,
as that
.
Implementation
bool sameElements(RIterable<A> that) {
final thisKnownSize = knownSize;
final thatKnownSize = that.knownSize;
final knownDifference = thisKnownSize != -1 &&
thatKnownSize != -1 &&
thisKnownSize != thatKnownSize;
return !knownDifference && iterator.sameElements(that);
}