{"id":153,"date":"2013-11-10T09:35:42","date_gmt":"2013-11-10T00:35:42","guid":{"rendered":"http:\/\/koheizi.mydns.jp\/koheizi\/?p=153"},"modified":"2014-03-03T00:30:55","modified_gmt":"2014-03-02T15:30:55","slug":"mem_fun%e3%81%a8mem_fn%e3%81%af%e3%80%81%e3%81%a9%e3%81%a3%e3%81%a1%e3%81%8b%e3%81%a9%e3%81%a3%e3%81%a1%e3%81%8b%e5%88%86%e3%81%8b%e3%82%89%e3%81%aa%e3%81%8f%e3%81%aa%e3%82%8b","status":"publish","type":"post","link":"https:\/\/programmer.everything-beginner.com\/?p=153","title":{"rendered":"mem_fun\u3068mem_fn\u306f\u3001\u3069\u3063\u3061\u304b\u3069\u3063\u3061\u304b\u5206\u304b\u3089\u306a\u304f\u306a\u308b"},"content":{"rendered":"

\u304a\u4e45\u3057\u3076\u308a\u3067\u3059\u3002\u6700\u5e95\u8fba\u3067\u3059\u3002
\nC++\u306e\u30ab\u30aa\u30b9\u306a\u90e8\u5206\u3068\u3057\u3066mem_fun\u3068mem_fn\u3084bind\u304c\u3042\u308a\u307e\u3059\u3002
\nbind\u306f\u3001\u79c1\u304c\u3064\u3044\u3066\u884c\u3051\u3066\u3044\u306a\u3044\u306e\u3067\u4eca\u65e5\u306fmem_fun\u3068mem_fn\u306e\u304a\u8a71\u3002
\nmem_fun\u306f\u3001\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u6614\u304b\u3089\u3042\u3063\u305f\u3082\u306e\u3067\u30af\u30e9\u30b9\u306e\u30e1\u30f3\u30d0\u95a2\u6570\u306a\u3069\u3092
\n\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3068\u3057\u3066\u3064\u304b\u3046\u3053\u3068\u304c\u51fa\u6765\u3066\u5927\u5909\u4fbf\u5229\u3067\u3059\u3002
\nfor_each\u306a\u3069\u3067\u5f15\u6570\u3068\u3057\u3066\u6e21\u3059\u3053\u3068\u3082\u51fa\u6765\u307e\u3059\u3002<\/p>\n

class Object{\r\nvoid func(){...};\r\n};\r\nvector<Object*> vp;\r\nvp.push_back(new Object());\r\nfor_each(vp.begin,vp.end, mem_fun(&Object::func));<\/pre>\n
\u3057\u304b\uff5e\u3057\u3001\u5b9f\u969b\u306b\u306f\u3001\u5f15\u6570\u3092\u53d6\u308b\u95a2\u6570\u3092\u6e21\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u306f\u51fa\u6765\u305a\u3001\u53c2\u7167\u3068\u3057\u3066\u6e21\u3059\u3053\u3068\u3082\u3067\u304d\u306a\u3044\u3067\u3059\u3002
\n\uff08\u53c2\u7167\u7528\u306b\u306f\u3001mem_fun_ref\u306a\u308b\u3082\u306e\u3092\u4f7f\u3048\u3068\u3044\u308f\u308c\u307e\u3059\u3002\uff09<\/p>\n
Object obj;\r\nvector<Object> vec;\r\nvec.push_back(Object());\r\n\/\/for_each(vec.begin,vec.end, mem_fun(&Object::func); <- NG\r\nfor_each(vec.begin,vec.end,, mem_fun);<\/pre>\n
\u305d\u3053\u3067\u3001\u5049\u5927\u306aboost\u306b\u3042\u308a\u307e\u3059\u308bmem_fn\u306e\u51fa\u756a\u3067\u3059\u3002
\n\u3053\u3044\u3064\u3092\u4f7f\u3048\u3070\u3001\u30dd\u30a4\u30f3\u30bf\u7248\u3068\u53c2\u7167\u7248\u4e21\u65b9\u3067\u4f7f\u3048\u308b\u3002<\/p>\n
class Object{\r\nvoid func(){...};\r\n};\r\nvector<Object*> vp;\r\nvp.push_back(new Object());\r\nfor_each(vp.begin,vp.end, mem_fn(&Object::func));\r\nvector<Object> vec;\r\nvec.push_back(Object());\r\nfor_each(vp.begin,vp.end, mem_fn(&Object::func));<\/pre>\n
\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u307f\u3093\u306amem_fun\u3044\u3084\u3001mem_fn\u3042\u308c\uff1f\u3069\u3063\u3061\u3060\u3063\u3051\u3001
\n\u307e\u3042\u3068\u306b\u304b\u304f\u4fbf\u5229\u306a\u306e\u3092\u6d3b\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u304a\u4e45\u3057\u3076\u308a\u3067\u3059\u3002\u6700\u5e95\u8fba\u3067\u3059\u3002 C++\u306e\u30ab\u30aa\u30b9\u306a\u90e8\u5206\u3068\u3057\u3066mem_fun\u3068mem_fn\u3084bind\u304c\u3042\u308a\u307e\u3059\u3002 bind\u306f\u3001\u79c1\u304c\u3064\u3044\u3066\u884c\u3051\u3066\u3044\u306a\u3044\u306e\u3067\u4eca\u65e5\u306fmem_fun\u3068mem_fn\u306e\u304a\u8a71\u3002 mem_fun\u306f\u3001\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_newsletter_tier_id":0,"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[14],"tags":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p4sUNl-2t","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/programmer.everything-beginner.com\/index.php?rest_route=\/wp\/v2\/posts\/153"}],"collection":[{"href":"https:\/\/programmer.everything-beginner.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/programmer.everything-beginner.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/programmer.everything-beginner.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/programmer.everything-beginner.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=153"}],"version-history":[{"count":1,"href":"https:\/\/programmer.everything-beginner.com\/index.php?rest_route=\/wp\/v2\/posts\/153\/revisions"}],"predecessor-version":[{"id":234,"href":"https:\/\/programmer.everything-beginner.com\/index.php?rest_route=\/wp\/v2\/posts\/153\/revisions\/234"}],"wp:attachment":[{"href":"https:\/\/programmer.everything-beginner.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/programmer.everything-beginner.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/programmer.everything-beginner.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}