Method first

pyvrp/cpp/search/Route.h:759–759

Route const *Route::SegmentBefore::route() const { return &route_; }

size_t Route::SegmentBefore::first() const { return route_.visits.front(); }
size_t Route::SegmentBefore::last() const { return route_.visits[end]; }
size_t Route::SegmentBefore::size() const { return end + 1; }