af83/edwig

package model

type StopAreaLineIds []LineId

func (ids *StopAreaLineIds) Add(id LineId) {
    if !ids.Contains(id) {
        *ids = append(*ids, id)
    }
}

func (ids StopAreaLineIds) Contains(id LineId) bool {
    for _, lineId := range ids {
        if lineId == id {
            return true
        }
    }
    return false
}

func (ids StopAreaLineIds) Copy() (t StopAreaLineIds) {
    t = append(t, ids...)
    return t
}