pitrou commented on code in PR #13009:
URL: https://github.com/apache/arrow/pull/13009#discussion_r865030073
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cpp/src/arrow/stl_iterator.h:
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@@ -59,11 +62,12 @@ class ArrayIterator {
// Value access
value_type operator*() const {
- return array_->IsNull(index_) ? value_type{} : array_->GetView(index_);
+ return !array_ || array_->IsNull(index_) ? value_type{} :
array_->GetView(index_);
Review Comment:
I don't think dereferencing such an iterator should be a valid operation,
though, so the check should not be needed.
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