| 73 | |
| 74 | template <typename Container, typename Value, typename Function> |
| 75 | Value fold(Container const& l, Value v, Function f) { |
| 76 | auto i = l.begin(); |
| 77 | auto e = l.end(); |
| 78 | while (i != e) { |
| 79 | v = f(v, *i); |
| 80 | ++i; |
| 81 | } |
| 82 | return v; |
| 83 | } |
| 84 | |
| 85 | // Like fold, but returns default value when container is empty. |
| 86 | template <typename Container, typename Function> |
no test coverage detected