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https://issues.apache.org/jira/browse/ARROW-10064?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Uwe Korn resolved ARROW-10064.
------------------------------
Resolution: Fixed
Issue resolved by pull request 8239
[https://github.com/apache/arrow/pull/8239]
> [C++] Resolve compile warnings on Apple Clang 12
> ------------------------------------------------
>
> Key: ARROW-10064
> URL: https://issues.apache.org/jira/browse/ARROW-10064
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Krisztian Szucs
> Assignee: Krisztian Szucs
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> {code}
> ../src/arrow/util/uri.cc:172:19: error: loop variable 'seg' of type 'const
> nonstd::sv_lite::basic_string_view<char, std::__1::char_traits<char> >'
> creates a copy from type 'const nonstd::sv_lite::basic_string_view<char,
> std::__1::char_traits<char> >' [-Werror,-Wrange-loop-analysis]
> for (const auto seg : segments) {
> ^
> ../src/arrow/util/uri.cc:172:8: note: use reference type 'const
> nonstd::sv_lite::basic_string_view<char, std::__1::char_traits<char> > &' to
> prevent copying
> for (const auto seg : segments) {
> ^~~~~~~~~~~~~~~~
> & {code}
> {code}
> ../src/arrow/ipc/metadata_internal.cc:1157:20: error: loop variable 'pair' is
> always a copy because the range of type 'const
> arrow::ipc::internal::KVVector' (aka 'const Vector<Offset<flatbuf::KeyValue>
> >') does not return a reference [-Werror,-Wrange-loo
> p-analysis]
> for (const auto& pair : *fb_metadata) {
> ^
> ../src/arrow/ipc/metadata_internal.cc:1157:8: note: use non-reference type
> 'const org::apache::arrow::flatbuf::KeyValue *'
> for (const auto& pair : *fb_metadata) {
> ^~~~~~~~~~~~~~~~~~
> {code}
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