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/IPAddr/
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Current File : //opt/alt/ruby18/share/ri/1.8/system/IPAddr/cdesc-IPAddr.yaml
--- !ruby/object:RI::ClassDescription 
attributes: 
- !ruby/object:RI::Attribute 
  comment: 
  - !ruby/struct:SM::Flow::P 
    body: Returns the address family of this IP address.
  name: family
  rw: R
class_methods: 
- !ruby/object:RI::MethodSummary 
  name: new
- !ruby/object:RI::MethodSummary 
  name: new_ntoh
- !ruby/object:RI::MethodSummary 
  name: ntop
comment: 
- !ruby/struct:SM::Flow::P 
  body: IPAddr provides a set of methods to manipulate an IP address. Both IPv4 and IPv6 are supported.
- !ruby/struct:SM::Flow::H 
  level: 2
  text: Example
- !ruby/struct:SM::Flow::VERB 
  body: "  require 'ipaddr'\n\n  ipaddr1 = IPAddr.new "3ffe:505:2::1"\n\n  p ipaddr1                   #=> #<IPAddr: IPv6:3ffe:0505:0002:0000:0000:0000:0000:0001/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff>\n\n  p ipaddr1.to_s              #=> "3ffe:505:2::1"\n\n  ipaddr2 = ipaddr1.mask(48)  #=> #<IPAddr: IPv6:3ffe:0505:0002:0000:0000:0000:0000:0000/ffff:ffff:ffff:0000:0000:0000:0000:0000>\n\n  p ipaddr2.to_s              #=> "3ffe:505:2::"\n\n  ipaddr3 = IPAddr.new "192.168.2.0/24"\n\n  p ipaddr3                   #=> #<IPAddr: IPv4:192.168.2.0/255.255.255.0>\n"
constants: 
- !ruby/object:RI::Constant 
  comment: 
  name: IN4MASK
  value: "0xffffffff"
- !ruby/object:RI::Constant 
  comment: 
  name: IN6MASK
  value: "0xffffffffffffffffffffffffffffffff"
- !ruby/object:RI::Constant 
  comment: 
  name: IN6FORMAT
  value: (["%.4x"] * 8).join(':')
full_name: IPAddr
includes: 
- !ruby/object:RI::IncludedModule 
  name: Comparable
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: _reverse
- !ruby/object:RI::MethodSummary 
  name: _to_string
- !ruby/object:RI::MethodSummary 
  name: addr_mask
- !ruby/object:RI::MethodSummary 
  name: coerce_other
- !ruby/object:RI::MethodSummary 
  name: hton
- !ruby/object:RI::MethodSummary 
  name: in6_addr
- !ruby/object:RI::MethodSummary 
  name: in_addr
- !ruby/object:RI::MethodSummary 
  name: include?
- !ruby/object:RI::MethodSummary 
  name: inspect
- !ruby/object:RI::MethodSummary 
  name: ip6_arpa
- !ruby/object:RI::MethodSummary 
  name: ip6_int
- !ruby/object:RI::MethodSummary 
  name: ipv4?
- !ruby/object:RI::MethodSummary 
  name: ipv4_compat
- !ruby/object:RI::MethodSummary 
  name: ipv4_compat?
- !ruby/object:RI::MethodSummary 
  name: ipv4_mapped
- !ruby/object:RI::MethodSummary 
  name: ipv4_mapped?
- !ruby/object:RI::MethodSummary 
  name: ipv6?
- !ruby/object:RI::MethodSummary 
  name: mask
- !ruby/object:RI::MethodSummary 
  name: mask!
- !ruby/object:RI::MethodSummary 
  name: native
- !ruby/object:RI::MethodSummary 
  name: reverse
- !ruby/object:RI::MethodSummary 
  name: set
- !ruby/object:RI::MethodSummary 
  name: succ
- !ruby/object:RI::MethodSummary 
  name: to_i
- !ruby/object:RI::MethodSummary 
  name: to_range
- !ruby/object:RI::MethodSummary 
  name: to_s
- !ruby/object:RI::MethodSummary 
  name: to_string
- !ruby/object:RI::MethodSummary 
  name: "|"
- !ruby/object:RI::MethodSummary 
  name: "~"
name: IPAddr
superclass: Object