mrkn commented on a change in pull request #6302:
URL: https://github.com/apache/arrow/pull/6302#discussion_r559308985
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File path: cpp/src/arrow/ipc/metadata_internal.cc
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@@ -1349,17 +1349,23 @@ Status GetTensorMetadata(const Buffer& metadata,
std::shared_ptr<DataType>* type
return Status::IOError("Header-type of flatbuffer-encoded Message is not
Tensor.");
}
- int ndim = static_cast<int>(tensor->shape()->size());
+ const auto ndim = tensor->shape()->size();
+ using ndim_type = std::remove_const<decltype(ndim)>::type;
Review comment:
Simple `decltype(ndim)` is modified by `const` so we need to use
`std::remove_const` here.
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