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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--- !ruby/object:RI::ClassDescription 
attributes: []

class_methods: 
- !ruby/object:RI::MethodSummary 
  name: "[]"
- !ruby/object:RI::MethodSummary 
  name: new
comment: 
- !ruby/struct:SM::Flow::P 
  body: Set implements a collection of unordered values with no duplicates. This is a hybrid of Array's intuitive inter-operation facilities and Hash's fast lookup.
- !ruby/struct:SM::Flow::P 
  body: "Several methods accept any Enumerable object (implementing <tt>each</tt>) for greater flexibility: new, replace, merge, subtract, |, &amp;, -, ^."
- !ruby/struct:SM::Flow::P 
  body: The equality of each couple of elements is determined according to Object#eql? and Object#hash, since Set uses Hash as storage.
- !ruby/struct:SM::Flow::P 
  body: Finally, if you are using class Set, you can also use Enumerable#to_set for convenience.
- !ruby/struct:SM::Flow::H 
  level: 2
  text: Example
- !ruby/struct:SM::Flow::VERB 
  body: "  require 'set'\n  s1 = Set.new [1, 2]                   # -&gt; #&lt;Set: {1, 2}&gt;\n  s2 = [1, 2].to_set                    # -&gt; #&lt;Set: {1, 2}&gt;\n  s1 == s2                              # -&gt; true\n  s1.add(&quot;foo&quot;)                         # -&gt; #&lt;Set: {1, 2, &quot;foo&quot;}&gt;\n  s1.merge([2, 6])                      # -&gt; #&lt;Set: {6, 1, 2, &quot;foo&quot;}&gt;\n  s1.subset? s2                         # -&gt; false\n  s2.subset? s1                         # -&gt; true\n"
- !ruby/struct:SM::Flow::H 
  level: 2
  text: Contact
- !ruby/struct:SM::Flow::VERB 
  body: "  - Akinori MUSHA &lt;knu@iDaemons.org&gt; (current maintainer)\n"
constants: []

full_name: Set
includes: 
- !ruby/object:RI::IncludedModule 
  name: Enumerable
instance_methods: 
- !ruby/object:RI::MethodSummary 
  name: "&"
- !ruby/object:RI::MethodSummary 
  name: +
- !ruby/object:RI::MethodSummary 
  name: "-"
- !ruby/object:RI::MethodSummary 
  name: "<<"
- !ruby/object:RI::MethodSummary 
  name: ==
- !ruby/object:RI::MethodSummary 
  name: ^
- !ruby/object:RI::MethodSummary 
  name: add
- !ruby/object:RI::MethodSummary 
  name: add?
- !ruby/object:RI::MethodSummary 
  name: classify
- !ruby/object:RI::MethodSummary 
  name: clear
- !ruby/object:RI::MethodSummary 
  name: collect!
- !ruby/object:RI::MethodSummary 
  name: delete
- !ruby/object:RI::MethodSummary 
  name: delete?
- !ruby/object:RI::MethodSummary 
  name: delete_if
- !ruby/object:RI::MethodSummary 
  name: difference
- !ruby/object:RI::MethodSummary 
  name: divide
- !ruby/object:RI::MethodSummary 
  name: each
- !ruby/object:RI::MethodSummary 
  name: empty?
- !ruby/object:RI::MethodSummary 
  name: flatten
- !ruby/object:RI::MethodSummary 
  name: flatten!
- !ruby/object:RI::MethodSummary 
  name: flatten_merge
- !ruby/object:RI::MethodSummary 
  name: include?
- !ruby/object:RI::MethodSummary 
  name: initialize_copy
- !ruby/object:RI::MethodSummary 
  name: inspect
- !ruby/object:RI::MethodSummary 
  name: intersection
- !ruby/object:RI::MethodSummary 
  name: length
- !ruby/object:RI::MethodSummary 
  name: map!
- !ruby/object:RI::MethodSummary 
  name: member?
- !ruby/object:RI::MethodSummary 
  name: merge
- !ruby/object:RI::MethodSummary 
  name: proper_subset?
- !ruby/object:RI::MethodSummary 
  name: proper_superset?
- !ruby/object:RI::MethodSummary 
  name: reject!
- !ruby/object:RI::MethodSummary 
  name: replace
- !ruby/object:RI::MethodSummary 
  name: size
- !ruby/object:RI::MethodSummary 
  name: subset?
- !ruby/object:RI::MethodSummary 
  name: subtract
- !ruby/object:RI::MethodSummary 
  name: superset?
- !ruby/object:RI::MethodSummary 
  name: to_a
- !ruby/object:RI::MethodSummary 
  name: union
- !ruby/object:RI::MethodSummary 
  name: "|"
name: Set
superclass: Object