Lines Matching defs:empty
26 // object. Default-constructed callbacks are "empty," and executing an empty
27 // callback does nothing. A callback can be made empty by assigning it from
50 // cout << my_callback.empty() << endl; // true
53 // cout << my_callback.empty() << endl; // false
60 // cout << my_callback.empty() << endl; // true
78 if (empty())
82 bool empty() const { return !helper_; }
108 if (empty())
112 bool empty() const { return !helper_; }
139 if (empty())
143 bool empty() const { return !helper_; }
171 if (empty())
175 bool empty() const { return !helper_; }
204 if (empty())
208 bool empty() const { return !helper_; }
238 if (empty())
242 bool empty() const { return !helper_; }
