kszucs commented on a change in pull request #7341:
URL: https://github.com/apache/arrow/pull/7341#discussion_r434501950
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File path: cpp/src/arrow/compute/kernels/scalar_arithmetic.cc
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@@ -21,21 +21,44 @@ namespace arrow {
namespace compute {
struct Add {
- template <typename OUT, typename ARG0, typename ARG1>
- static constexpr OUT Call(KernelContext*, ARG0 left, ARG1 right) {
+ template <typename ARG0, typename ARG1>
+ static constexpr auto Call(KernelContext*, ARG0 left, ARG1 right)
+ -> decltype(left + right) {
Review comment:
Thanks @bkietz for this fix!
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