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::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Iterates over <em>rng</em>, passing each <em>n</em>th element to the block. If the range contains numbers, <em>n</em> is added for each iteration. Otherwise <tt>step</tt> invokes <tt>succ</tt> to iterate through range elements. The following code uses class <tt>Xs</tt>, which is defined in the class-level documentation.
- !ruby/struct:SM::Flow::VERB 
  body: "   range = Xs.new(1)..Xs.new(10)\n   range.step(2) {|x| puts x}\n   range.step(3) {|x| puts x}\n"
- !ruby/struct:SM::Flow::P 
  body: <em>produces:</em>
- !ruby/struct:SM::Flow::VERB 
  body: "    1 x\n    3 xxx\n    5 xxxxx\n    7 xxxxxxx\n    9 xxxxxxxxx\n    1 x\n    4 xxxx\n    7 xxxxxxx\n   10 xxxxxxxxxx\n"
full_name: Range#step
is_singleton: false
name: step
params: |
  rng.step(n=1) {| obj | block }    => rng

visibility: public