pitrou commented on a change in pull request #7179:
URL: https://github.com/apache/arrow/pull/7179#discussion_r543334176
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File path: cpp/src/arrow/util/future.h
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@@ -238,6 +242,22 @@ class Future {
return impl_->Wait(seconds);
}
+ template <typename... CancelArgs>
+ bool Cancel(CancelArgs&&... args) {
+ auto& stop_token = impl_->stop_token_;
Review comment:
That's a good question. In Java and Python, a completed Future cannot be
cancelled (note the Python API is inspired from the Java API, AFAIK).
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