{"id":181,"date":"2022-06-29T10:38:44","date_gmt":"2022-06-29T02:38:44","guid":{"rendered":"http:\/\/yanzhenhua.top\/?p=181"},"modified":"2022-06-29T10:38:44","modified_gmt":"2022-06-29T02:38:44","slug":"ruby%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%88%96%e6%95%b0%e5%ad%97%e6%8c%89%e6%9d%a1%e4%bb%b6%e5%8c%b9%e9%85%8d%e6%8b%86%e5%88%86","status":"publish","type":"post","link":"http:\/\/yanzhenhua.top\/?p=181","title":{"rendered":"ruby\u5b57\u7b26\u4e32\u6216\u6570\u5b57\u6309\u6761\u4ef6\u5339\u914d\u62c6\u5206"},"content":{"rendered":"

String.partition\u7528\u6cd5\u53ca\u4ee3\u7801\u793a\u4f8b<\/span><\/h1>\n

\u7528\u6cd5<\/span><\/h3>\n
partition(sep) \u2192 [head, sep, tail]\r\npartition(regexp) \u2192 [head, match, tail]<\/pre>\n
\u5728\u5b57\u7b26\u4e32\u4e2d\u641c\u7d22\u00a0<\/span>sep<\/code><\/span>\u00a0\u6216\u6a21\u5f0f (\u00a0<\/span>regexp<\/code><\/span>\u00a0) \u5e76\u8fd4\u56de\u5b83\u4e4b\u524d\u7684\u90e8\u5206\u3001\u5339\u914d\u9879\u548c\u4e4b\u540e\u7684\u90e8\u5206\u3002\u5982\u679c\u672a\u627e\u5230\uff0c\u5219\u8fd4\u56de\u4e24\u4e2a\u7a7a\u5b57\u7b26\u4e32\u548c\u00a0<\/span>str<\/code><\/span>\u00a0\u3002<\/span><\/p>\n
\"hello\".partition(\"l\") \u00a0 \u00a0 \u00a0 \u00a0 #=> [\"he\", \"l\", \"lo\"]\r\n\"hello\".partition(\"x\") \u00a0 \u00a0 \u00a0 \u00a0 #=> [\"hello\", \"\", \"\"]\r\n\"hello\".partition(\/.l\/) \u00a0 \u00a0 \u00a0 #=> [\"h\", \"el\", \"lo\"]<\/pre>\n
Ruby Enumerable partition()\u7528\u6cd5\u53ca\u4ee3\u7801\u793a\u4f8b<\/span><\/span><\/h1>\n
enumerable\u7684partition()\u662fRuby\u4e2d\u7684\u5185\u7f6e\u65b9\u6cd5\uff0c\u5b83\u8fd4\u56de\u4e24\u4e2a\u6570\u7ec4\uff0c\u4e00\u4e2a\u6570\u7ec4\u5305\u542b\u8fd4\u56detrue\u7684enumerable\u5143\u7d20\uff0c\u800c\u53e6\u4e00\u4e2a\u5305\u542b\u8fd4\u56defalse\u7684\u5143\u7d20\u3002\u5982\u679c\u672a\u4f20\u9012\u4efb\u4f55\u5757\uff0c\u5b83\u5c06\u8fd4\u56de\u4e00\u4e2a\u679a\u4e3e\u6570\u3002<\/span><\/p>\n
\u7528\u6cd5 enu.partition { |obj| block }<\/pre>\n
\u53c2\u6570<\/strong><\/span>\uff1a\u8be5\u51fd\u6570\u6839\u636e\u8981\u8fdb\u884c\u7684\u5206\u533a\u5360\u7528\u4e00\u4e2a\u5757\u3002<\/span><\/p>\n
\u8fd4\u56de\u503c<\/strong><\/span>\uff1a\u8fd4\u56de\u4e24\u4e2a\u6570\u7ec4\u3002<\/span><\/p>\n
\u4f8b\u5b501<\/strong><\/span>\uff1a<\/span><\/p>\n
# Ruby program for partition method in Enumerable \r\n \u00a0 \u00a0\r\n# Initialize an enumerable \r\nenu1 = [10, 19, 18] \u00a0 \u00a0\r\n \u00a0\r\n# Prints \r\nenu1.partition { |num| num>12}<\/pre>\n
\u8f93\u51fa<\/strong><\/span>\uff1a<\/span><\/p>\n
[[19, 18], [10]]<\/pre>\n
\u8303\u4f8b\uff032<\/strong><\/span>\uff1a<\/span><\/p>\n
# Ruby program for partition method in Enumerable \r\n \u00a0 \u00a0\r\n# Initialize an enumerable \r\nenu1 = (1..100) \r\n \u00a0\r\n# Prints \r\nenu1.partition \u00a0\r\n \u00a0\r\n<\/pre>\n
\u8f93\u51fa<\/strong><\/span>\uff1a<\/span><\/p>\n
Enumerator: 1..100:partition<\/pre>\n","protected":false},"excerpt":{"rendered":"
String.partition\u7528\u6cd5\u53ca\u4ee3\u7801\u793a\u4f8b \u7528\u6cd5 partition(sep) \u2192 [head,… \u7ee7\u7eed\u9605\u8bfb ruby\u5b57\u7b26\u4e32\u6216\u6570\u5b57\u6309\u6761\u4ef6\u5339\u914d\u62c6\u5206<\/span><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":{"0":"post-181","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-ruby","7":"h-entry","9":"h-as-article"},"_links":{"self":[{"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/posts\/181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=181"}],"version-history":[{"count":1,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/posts\/181\/revisions"}],"predecessor-version":[{"id":182,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/posts\/181\/revisions\/182"}],"wp:attachment":[{"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=181"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}