晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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/*
 * Copyright 2015 Lars Uebernickel
 * Copyright 2015 Ryan Lortie
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General
 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
 *
 * Authors:
 *     Lars Uebernickel <lars@uebernic.de>
 *     Ryan Lortie <desrt@desrt.ca>
 */

#ifndef __G_LIST_MODEL_H__
#define __G_LIST_MODEL_H__

#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif

#include <gio/giotypes.h>

G_BEGIN_DECLS

#define G_TYPE_LIST_MODEL g_list_model_get_type ()
GLIB_AVAILABLE_IN_2_44
G_DECLARE_INTERFACE(GListModel, g_list_model, G, LIST_MODEL, GObject)

struct _GListModelInterface
{
  GTypeInterface g_iface;

  GType     (* get_item_type)   (GListModel *list);

  guint     (* get_n_items)     (GListModel *list);

  gpointer  (* get_item)        (GListModel *list,
                                 guint       position);
};

GLIB_AVAILABLE_IN_2_44
GType                   g_list_model_get_item_type                      (GListModel *list);

GLIB_AVAILABLE_IN_2_44
guint                   g_list_model_get_n_items                        (GListModel *list);

GLIB_AVAILABLE_IN_2_44
gpointer                g_list_model_get_item                           (GListModel *list,
                                                                         guint       position);

GLIB_AVAILABLE_IN_2_44
GObject *               g_list_model_get_object                         (GListModel *list,
                                                                         guint       position);

GLIB_AVAILABLE_IN_2_44
void                    g_list_model_items_changed                      (GListModel *list,
                                                                         guint       position,
                                                                         guint       removed,
                                                                         guint       added);

G_END_DECLS

#endif /* __G_LIST_MODEL_H__ */