pitrou commented on a change in pull request #166:
URL: https://github.com/apache/arrow-cookbook/pull/166#discussion_r829309278
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File path: cpp/code/basic_arrow.cc
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@@ -63,3 +66,54 @@ arrow::Status ReturnNotOk() {
TEST(BasicArrow, ReturnNotOkNoMacro) { ASSERT_OK(ReturnNotOkMacro()); }
TEST(BasicArrow, ReturnNotOk) { ASSERT_OK(ReturnNotOk()); }
+
+class TypeCountVisitor : public arrow::TypeVisitor {
+ public:
+ uint64_t nested_count;
+ uint64_t non_nested_count;
+
+ template <typename T>
+ arrow::enable_if_not_nested<T, arrow::Status> Visit(const T&) {
Review comment:
Indeed, because you must override the exact methods. Adding `override`
at the end helps ensure you didn't make a mistake when overriding, btw.
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