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。
| DIR:/opt/alt/ruby18/share/ri/1.8/system/ObjectSpace/ |
| Current File : //opt/alt/ruby18/share/ri/1.8/system/ObjectSpace/cdesc-ObjectSpace.yaml |
--- !ruby/object:RI::ClassDescription
attributes: []
class_methods:
- !ruby/object:RI::MethodSummary
name: _id2ref
- !ruby/object:RI::MethodSummary
name: add_finalizer
- !ruby/object:RI::MethodSummary
name: call_finalizer
- !ruby/object:RI::MethodSummary
name: define_finalizer
- !ruby/object:RI::MethodSummary
name: each_object
- !ruby/object:RI::MethodSummary
name: finalizers
- !ruby/object:RI::MethodSummary
name: garbage_collect
- !ruby/object:RI::MethodSummary
name: remove_finalizer
- !ruby/object:RI::MethodSummary
name: undefine_finalizer
comment:
- !ruby/struct:SM::Flow::P
body: The <tt>ObjectSpace</tt> module contains a number of routines that interact with the garbage collection facility and allow you to traverse all living objects with an iterator.
- !ruby/struct:SM::Flow::P
body: <tt>ObjectSpace</tt> also provides support for object finalizers, procs that will be called when a specific object is about to be destroyed by garbage collection.
- !ruby/struct:SM::Flow::VERB
body: " include ObjectSpace\n\n a = "A"\n b = "B"\n c = "C"\n\n define_finalizer(a, proc {|id| puts "Finalizer one on #{id}" })\n define_finalizer(a, proc {|id| puts "Finalizer two on #{id}" })\n define_finalizer(b, proc {|id| puts "Finalizer three on #{id}" })\n"
- !ruby/struct:SM::Flow::P
body: <em>produces:</em>
- !ruby/struct:SM::Flow::VERB
body: " Finalizer three on 537763470\n Finalizer one on 537763480\n Finalizer two on 537763480\n"
constants: []
full_name: ObjectSpace
includes: []
instance_methods: []
name: ObjectSpace
superclass:
|