Method clear

pyvrp/cpp/search/Route.cpp:113–136

}

void Route::clear()
{
    if (nodes.size() == 2)  // then the route is already empty and we have
        return;             // nothing to do.

    for (auto *node : nodes)        // only unassign if in route; node may not
        if (node->route() == this)  // be if it's been assigned to another route
            node->unassign();       // while loading a new solution into the LS

    nodes.clear();
    depots_.clear();

    depots_.emplace_back(vehicleType_.startDepot);
    depots_.emplace_back(vehicleType_.endDepot);

    for (size_t idx : {0, 1})
    {
        nodes.push_back(&depots_[idx]);
        depots_[idx].assign(this, idx, idx);
    }

    update();
    assert(empty());
}

void Route::reserve(size_t size) { nodes.reserve(size); }