bkietz commented on a change in pull request #8362:
URL: https://github.com/apache/arrow/pull/8362#discussion_r501053982
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File path: cpp/src/arrow/util/future.h
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@@ -154,9 +154,8 @@ class FutureStorage : public FutureStorageBase {
Status status() const { return result_.status(); }
- template <typename U>
- void MarkFinished(U&& value) {
- result_ = std::forward<U>(value);
+ void MarkFinished(Result<T> result) {
Review comment:
Yes, because `Result<T>` already has that implicit constructor
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