Commits
Wes McKinney authored efb93b74626
ARROW-3747: [C++] Switch order of struct members in Decimal128 To enable pointer casting to `Decimal128**` to work properly Author: Wes McKinney <wesm+git@apache.org> Closes #2940 from wesm/ARROW-3747 and squashes the following commits: 98199a903 <Wes McKinney> clang-format 28a812892 <Wes McKinney> Switch order of members in Decimal128