TousakaRin commented on code in PR #2651:
URL: https://github.com/apache/brpc/pull/2651#discussion_r1612875583
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src/brpc/span.h:
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@@ -206,6 +206,7 @@ void AnnotateSpan(const char* fmt, ...);
class SpanFilter {
public:
+ virtual ~SpanFilter() = 0;
Review Comment:
定义成纯虚函数最后链接会出错吧。。 virtual ~SpanFilter() = default 比较好
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