인프런 커뮤니티 질문&답변

override fun onBindViewHolder(holder: BookSearchViewHolder, position: Int) {
        holder.bind(getItem(position))
        holder.itemView.setOnClickListener {
            onItemClickListener?.let {
                it(getItem(position))
            }
        }
    }

    private var onItemClickListener: ((Document) -> Unit)? = null
    fun setOnItemClickListener(listener: (Document) -> Unit) {
        onItemClickListener = listener
    }