Function _returning

crawl-ref/source/throw.cc:432–435

static void _player_shoot(ranged_attack_beam &pbolt);

static bool _returning(const item_def &item)
{
    return item.is_type(OBJ_MISSILES, MI_BOOMERANG);
}

ranged_attack_beam::ranged_attack_beam(actor& agent, item_def& item)
    : atk(ranged_attack(&agent, nullptr, &item))