diff options
Diffstat (limited to 'callback.h')
-rw-r--r-- | callback.h | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -26,7 +26,8 @@ namespace i18n { namespace phonenumbers { template <typename R, typename A1, typename A2, typename A3, typename A4> -struct ResultCallback4 { +class ResultCallback4 { + public: virtual ~ResultCallback4() {} virtual R Run(A1 a1, A2 a2, A3 a3, A4 a4) = 0; }; |