Function consume_obj_charge

src/invent.c:1336–1346

use one charge from an item and possibly incur shop debt for it */

/* use one charge from an item and possibly incur shop debt for it */
void
consume_obj_charge(
    struct obj *obj,
    boolean maybe_unpaid) /* false if caller handles shop billing */
{
    if (maybe_unpaid)
        check_unpaid(obj);
    obj->spe -= 1;
    if (obj->known)
        update_inventory();
}

/*
 * Adjust hero's attributes as if this object was being removed from the