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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DIR:/opt/alt/ruby18/share/ri/1.8/system/Hash/
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--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Deletes and returns a key-value pair from <em>hsh</em> whose key is equal to <em>key</em>. If the key is not found, returns <tt>nil</tt>. If the optional code block is given and the key is not found, pass in the key and return the result of <em>block</em>.
- !ruby/struct:SM::Flow::VERB 
  body: "   h = { &quot;a&quot; =&gt; 100, &quot;b&quot; =&gt; 200 }\n   h.delete(&quot;a&quot;)                              #=&gt; 100\n   h.delete(&quot;z&quot;)                              #=&gt; nil\n   h.delete(&quot;z&quot;) { |el| &quot;#{el} not found&quot; }   #=&gt; &quot;z not found&quot;\n"
full_name: Hash#delete
is_singleton: false
name: delete
params: |
  hsh.delete(key)                   => value
  hsh.delete(key) {| key | block }  => value

visibility: public