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/lib64/ruby/gems/1.8/doc/rack-1.6.1/ri/Rack/Session/Cookie/
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--- !ruby/object:RI::ClassDescription 
attributes: 
- !ruby/object:RI::Attribute 
  comment: 
  name: coder
  rw: R
class_methods: 
- !ruby/object:RI::MethodSummary 
  name: new
comment: 
- !ruby/struct:SM::Flow::P 
  body: "Rack::Session::Cookie provides simple cookie based session management. By default, the session is a Ruby Hash stored as base64 encoded marshalled data set to :key (default: rack.session). The object that encodes the session data is configurable and must respond to <tt>encode</tt> and <tt>decode</tt>. Both methods must take a string and return a string."
- !ruby/struct:SM::Flow::P 
  body: When the secret key is set, cookie data is checked for data integrity. The old secret key is also accepted and allows graceful secret rotation.
- !ruby/struct:SM::Flow::P 
  body: "Example:"
- !ruby/struct:SM::Flow::VERB 
  body: "    use Rack::Session::Cookie, :key =&gt; 'rack.session',\n                               :domain =&gt; 'foo.com',\n                               :path =&gt; '/',\n                               :expire_after =&gt; 2592000,\n                               :secret =&gt; 'change_me',\n                               :old_secret =&gt; 'also_change_me'\n\n    All parameters are optional.\n"
- !ruby/struct:SM::Flow::P 
  body: "Example of a cookie with no encoding:"
- !ruby/struct:SM::Flow::VERB 
  body: "  Rack::Session::Cookie.new(application, {\n    :coder =&gt; Rack::Session::Cookie::Identity.new\n  })\n"
- !ruby/struct:SM::Flow::P 
  body: "Example of a cookie with custom encoding:"
- !ruby/struct:SM::Flow::VERB 
  body: "  Rack::Session::Cookie.new(application, {\n    :coder =&gt; Class.new {\n      def encode(str); str.reverse; end\n      def decode(str); str.reverse; end\n    }.new\n  })\n"
constants: []

full_name: Rack::Session::Cookie
includes: []

instance_methods: []

name: Cookie
superclass: Abstract::ID