jvanstraten commented on a change in pull request #12448:
URL: https://github.com/apache/arrow/pull/12448#discussion_r809161535
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File path: cpp/src/arrow/engine/substrait/expression_internal.cc
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@@ -443,8 +443,11 @@ struct ScalarToProtoImpl {
return Status::OK();
}
+ // Note: while std::string&& would be better for the argument
+ // type, older versions of protobuf don't have this overload
+ // yet.
template <typename ScalarWithBufferValue>
- Status FromBuffer(void (substrait::Expression::Literal::*set)(std::string&&),
+ Status FromBuffer(void (substrait::Expression::Literal::*set)(const
std::string&),
Review comment:
It's fine, for now anyway. IMO it's more important that builds start
working on master again. If it gets annoying it can be cleaned up later.
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