関連ワード:  void function should not return a value    void method must not return a value    void method must not return a value apex    non void function does not return a value in all control paths    non void function does not return a value    non void function does not return a value - wreturn type    a void function must not return a value    non void function does not return a value - werror wreturn type    non void function does not return a value c++    on void function does not return a value in all control paths  
結果 : void function should not return a value