westonpace commented on a change in pull request #9095:
URL: https://github.com/apache/arrow/pull/9095#discussion_r564788723
##########
File path: cpp/src/arrow/result.h
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@@ -331,6 +332,7 @@ class ARROW_MUST_USE_TYPE Result : public
util::EqualityComparable<Result<T>> {
return ValueUnsafe();
}
T& operator*() & { return ValueOrDie(); }
+ T* operator->() { return &ValueOrDie(); }
Review comment:
@bkietz I'm pretty sure this is your contribution. Is this something I
should add? I'm not entirely sure of the semantics. I think you mean...
```
T operator*() && { return MoveValueOrDie(); }
```
...I think its use would be limited. Given that ARROW_ASSIGN_OR_RAISE will
avoid having to use the * operator most of the time.
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