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/Benchmark/
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Current File : //opt/alt/ruby18/share/ri/1.8/system/Benchmark/bm-i.yaml
--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: report
comment: 
- !ruby/struct:SM::Flow::P 
  body: "A simple interface to the #benchmark method, #bm is generates sequential reports with labels. The parameters have the same meaning as for #benchmark."
- !ruby/struct:SM::Flow::VERB 
  body: "    require 'benchmark'\n\n    n = 50000\n    Benchmark.bm(7) do |x|\n      x.report("for:")   { for i in 1..n; a = "1"; end }\n      x.report("times:") { n.times do   ; a = "1"; end }\n      x.report("upto:")  { 1.upto(n) do ; a = "1"; end }\n    end\n"
- !ruby/struct:SM::Flow::P 
  body: <em>Generates:</em>
- !ruby/struct:SM::Flow::VERB 
  body: "                    user     system      total        real\n       for:     1.050000   0.000000   1.050000 (  0.503462)\n       times:   1.533333   0.016667   1.550000 (  0.735473)\n       upto:    1.500000   0.016667   1.516667 (  0.711239)\n"
full_name: Benchmark#bm
is_singleton: false
name: bm
params: (label_width = 0, *labels) {|report| ...}
visibility: public