utils.kt

fun MutableList<Restaurant>.search(
    query: String
): MutableList<Restaurant>{
    val result = mutableListOf<Restaurant>()
    this.forEach {restaurant ->
        if (restaurant.title.contains(query, ignoreCase = true) || restaurant.description.contains(query, ignoreCase = true)){
            result.add(restaurant)
        }
    }
    return result
}