lidavidm commented on a change in pull request #9995:
URL: https://github.com/apache/arrow/pull/9995#discussion_r611819107
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File path: cpp/src/arrow/filesystem/filesystem.h
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@@ -141,6 +142,19 @@ struct ARROW_EXPORT FileLocator {
std::string path;
};
+using FileInfoVector = std::vector<FileInfo>;
+using FileInfoGenerator = std::function<Future<FileInfoVector>()>;
+
+} // namespace fs
+
+template <>
+struct IterationTraits<fs::FileInfoVector> {
Review comment:
I think this came up before on Zulip - is there a good definition of end
value for vector<T>? (perhaps the empty vector but that's not going to apply in
all situations).
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