bkietz commented on code in PR #14241:
URL: https://github.com/apache/arrow/pull/14241#discussion_r980457942
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cpp/src/arrow/type_traits.h:
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@@ -858,7 +858,7 @@ using enable_if_physical_floating_point =
///
/// \param[in] type_id the type-id to check
/// \return whether type-id is an integer type one
-static inline bool is_integer(Type::type type_id) {
+static constexpr inline bool is_integer(Type::type type_id) {
Review Comment:
Constexpr implies `inline` and should not need the `static` quailfier
```suggestion
constexpr bool is_integer(Type::type type_id) {
```
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