Method trigger

lib_acl_cpp/include/acl_cpp.cn/stdlib/trigger.hpp:156–181

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	long long trigger() {
		long long key = get_curr_stamp();
		std::vector<trigger_item<T>*> items;
		trigger_iter_t iter;
		for (iter = items_.begin(); iter != items_.end();) {
			if (iter->first > key) {
				break;
			}

			items.push_back(iter->second);
			items_.erase(iter++);
		}

		for (typename std::vector<trigger_item<T>*>::iterator
			it = items.begin(); it != items.end(); ++it) {

			trigger(*it);
			delete *it;
		}

		iter = items_.begin();
		if (iter == items_.end()) {
			return -1;
		}
		return iter->first;
	}

private:
	trigger_items_t items_;