{"id":1230,"date":"2008-02-26T06:01:04","date_gmt":"2008-02-25T21:01:04","guid":{"rendered":"http:\/\/blog.tksk.net\/?p=1230"},"modified":"2008-02-26T23:20:14","modified_gmt":"2008-02-26T14:20:14","slug":"lets-linq-1","status":"publish","type":"post","link":"https:\/\/blog.tksk.net\/?p=1230","title":{"rendered":"Let’s Linq [1]"},"content":{"rendered":"

CSV\u30d5\u30a1\u30a4\u30eb\u306e1\u884c\u3092 string[] \u304b\u3089\u5410\u304d\u51fa\u3059\u51e6\u7406\u3092\u8003\u3048\u308b\u3002<\/p>\n

\u3075\u3064\u30fc\u306f\u30e9\u30a4\u30d6\u30e9\u30ea\u5316\u3055\u308c\u3066\u308b\u3082\u306e\u3092\u4f7f\u3046\u304b\u3001\u5373\u5e2d\u3067\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u308b\u3082\u3093\u3060\u304c\u3001(\u307b\u3093\u306e)\u5c11\u3057\u9762\u5012\u304f\u3055\u3044\u3002(\u3044\u3084\u3001\u3053\u3093\u306a\u3053\u3068\u3067\u9762\u5012\u306a\u3093\u3066\u8a00\u3063\u3066\u305f\u3089\u3001\u3001\u3001\u3068\u304b\u306f\u8a00\u308f\u306a\u3044\u3067\uff57)<\/p>\n

var names = new[]{“tksk”, “hoge”, “fuga”};<\/p><\/blockquote>\n

\u914d\u5217\u306e\u8981\u7d20\u6570\uff10\u306f\u7121\u3044\u3063\u3066\u3053\u3068\u306b\u3057\u3066\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8003\u3048\u306a\u3044\u3068\u3001<\/p>\n

var csv = names[0];
\nfor(int i=1; i<names.Length; i++)
\n{
\n\u00a0\u00a0\u00a0 csv += “,” + names[i];
\n}<\/p><\/blockquote>\n

\u3063\u3066\u611f\u3058\u306b\u306a\u308b\u3060\u308d\u3046\u304b\u3002\u3082\u3046\u4e00\u3064\u306f\u3001<\/p>\n

var csv = “”;
\nfor(int i=0; i<names.Length; i++)
\n{
\n\u00a0\u00a0\u00a0 csv += names[i] + “, “;
\n}
\ncsv = csv.Remove(csv.Length – 2);<\/p><\/blockquote>\n

\u304b\u306a\u3002\u3046\u3093\u3001\u30b9\u30de\u30fc\u30c8\u3058\u3083\u306a\u3044\u3088\u306d\u3002\u305d\u3046\u3001\u3053\u3053\u306f\u300c\u30b9\u30de\u30fc\u30c8\u3058\u3083\u306a\u3044\u300d\u3068\u8a00\u3046\u3079\u304d\u3068\u3053\u308d\u306a\u306e\u3002\u3067\u3001\u300c\u3058\u3083\u3042\u3001Linq\u3060\u3068\u3069\u3046\u306a\u308b\u306e?\u300d\u3063\u3066\u8a0a\u304f\u3079\u304d\u3068\u3053\u308d\u306a\u306e\u3002\u3067\u3001Linq\u3063\u307d\u304f\u3059\u308b\u3002<\/p>\n

var csv = names.Aggregate((ss, s) => ss + “, ” + s);<\/p><\/blockquote>\n

\u7d42\u308f\u308a\u3002\u3084\u3063\u3079\u30fc\u3002\u304b\u3063\u3053\u3044\u3044\u305c\u3002System.Linq\u540d\u524d\u7a7a\u9593\u306e\u4e2d\u3067\u3001\u4ffa\u306f Aggregate() \u304c\u4e00\u756a\u306e\u304a\u6c17\u306b\u5165\u308a\u3002\u4f55\u3067\u3063\u3066\u3001\u307b\u3089\u3001\u7d20\u6575\u3058\u3083\u3093\u3002<\/p>\n

\u5b9f\u306f\u3001Aggregate() \u306b\u306f\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u304c\u3042\u30682\u3064\u3042\u3063\u3066\u3001\u305d\u308c\u3082\u7d20\u6575\u306a\u3093\u3060\u3051\u3069\u3001\u3044\u3044\u5229\u7528\u4f8b\u304c\u601d\u3044\u3064\u304b\u306a\u3044\u306e\u3067\u3001\u51fa\u3066\u304d\u305f\u3089\u307e\u305f\u66f8\u3044\u3066\u307f\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

CSV\u30d5\u30a1\u30a4\u30eb\u306e1\u884c\u3092 string[] \u304b\u3089\u5410\u304d\u51fa\u3059\u51e6\u7406\u3092\u8003\u3048\u308b\u3002 \u3075\u3064\u30fc\u306f\u30e9\u30a4\u30d6\u30e9\u30ea\u5316\u3055\u308c\u3066\u308b\u3082\u306e\u3092\u4f7f\u3046\u304b\u3001\u5373\u5e2d\u3067\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u308b\u3082\u3093\u3060\u304c\u3001(\u307b\u3093\u306e)\u5c11\u3057\u9762\u5012\u304f\u3055\u3044\u3002(\u3044\u3084\u3001\u3053\u3093\u306a\u3053\u3068\u3067\u9762\u5012\u306a\u3093\u3066\u8a00\u3063\u3066\u305f\u3089\u3001\u3001\u3001\u3068\u304b […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.tksk.net\/index.php?rest_route=\/wp\/v2\/posts\/1230"}],"collection":[{"href":"https:\/\/blog.tksk.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.tksk.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.tksk.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.tksk.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1230"}],"version-history":[{"count":0,"href":"https:\/\/blog.tksk.net\/index.php?rest_route=\/wp\/v2\/posts\/1230\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.tksk.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.tksk.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.tksk.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}