{"id":1516,"date":"2011-10-11T18:09:26","date_gmt":"2011-10-11T09:09:26","guid":{"rendered":"http:\/\/www.softantenna.com\/wp\/?p=1516"},"modified":"2011-10-11T18:10:40","modified_gmt":"2011-10-11T09:10:40","slug":"dart","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/dart\/","title":{"rendered":"Google\u306b\u3088\u308b\u65b0\u8a00\u8a9e\u300cDart\u300d\u516c\u958b"},"content":{"rendered":"<p>Google\u306b\u3088\u308b\u69cb\u9020\u5316Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u305f\u3081\u306e\u65b0\u8a00\u8a9e<a href=\"http:\/\/www.dartlang.org\/\">Dart<\/a>\u304c\u516c\u958b\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"https:\/\/softantenna.com\/wp\/wp-content\/uploads\/2011\/10\/dart.png\"><img decoding=\"async\" src=\"https:\/\/softantenna.com\/wp\/wp-content\/uploads\/2011\/10\/dart.png\" alt=\"\" title=\"dart\" width=\"371\" height=\"161\" class=\"alignnone size-full wp-image-1517\" srcset=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2011\/10\/dart.png 371w, https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2011\/10\/dart-320x139.png 320w\" sizes=\"(max-width: 371px) 100vw, 371px\" \/><\/a><\/p>\n<p>JavaScript\u3092\u7f6e\u304d\u63db\u3048\u308b\u610f\u56f3\u3092\u3082\u3063\u3066\u958b\u767a\u3055\u308c\u305f\u8a00\u8a9e\u3089\u3057\u3044\u306e\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u3067\u306e\u5229\u7528\u304c\u898b\u8fbc\u307e\u308c\u3066\u3044\u308b\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p><!--more--><\/p>\n<p><strong>\u25a0\u7279\u5fb4<\/strong><\/p>\n<ul>\n<li>Classes\u3002\u30af\u30e9\u30b9\u3068\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5229\u7528\u53ef\u80fd\u3002\n<li>Optional types\u3002\u9759\u7684\u306a\u578b\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002\u6700\u521d\u306f\u5f62\u7121\u3057\u3067\u958b\u767a\u3057\u3066\u3044\u304d\u5f90\u3005\u306b\u578b\u3092\u4f7f\u3063\u305f\u8907\u96d1\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u767a\u5c55\u3055\u305b\u3066\u3044\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3002\n<li>Libraries\u3002\u958b\u767a\u8005\u306f\u30e9\u30f3\u30bf\u30a4\u30e0\u306b\u5909\u308f\u3089\u306a\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3055\u308c\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u308a\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u72ec\u7acb\u3057\u3066\u958b\u767a\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306f\u30b7\u30a7\u30a2\u30fc\u30c9\u30fb\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b(\u610f\u5473\u4e0d\u660e)\u3002\n<li>Tooling\u3002Dart\u306f\u5b9f\u884c\u74b0\u5883\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u3001\u958b\u767a\u30c4\u30fc\u30eb\u304c\u542b\u307e\u308c\u308b\u3002\n<\/ul>\n<p><strong>\u25a0\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/strong><br \/>\n\u516c\u5f0f\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3067\u306f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3082\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306fPoint\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3066\u8ddd\u96e2\u3092\u6e2c\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u30b5\u30f3\u30d7\u30eb\u3002<\/p>\n<pre>\r\nclass Point {\r\n  Point(this.x, this.y);\r\n  distanceTo(Point other) {\r\n    var dx = x - other.x;\r\n    var dy = y - other.y;\r\n    return Math.sqrt(dx * dx + dy * dy);\r\n  }\r\n  var x, y;\r\n}\r\n\r\nmain() {\r\n  Point p = new Point(2, 3);\r\n  Point q = new Point(3, 4);\r\n  print('distance from p to q = ${p.distanceTo(q)}');\r\n}\r\n\r\n<\/pre>\n<p><strong>\u25a0\u307e\u3068\u3081<\/strong><br \/>\n\u8a00\u8a9e\u7684\u306b\u306f\u3054\u304f\u666e\u901a\u3067\u7d20\u76f4\u306a\u611f\u3058\u3067\u3059\u3002\u9759\u7684\u578b\u3092\u4f7f\u304a\u3046\u3068\u601d\u3048\u3070\u4f7f\u3048\u308b\u306e\u3082\u4fbf\u5229\u305d\u3046\u3002\u305f\u3060JavaScript\u306f\u65e2\u306b\u3042\u307e\u308a\u306b\u3082\u5e83\u7bc4\u56f2\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u306e\u3067\u3053\u308c\u3092\u7f6e\u304d\u63db\u3048\u308b\u306e\u306f\u4e26\u5927\u62b5\u3067\u306f\u306a\u3055\u305d\u3046\u3067\u3059\u3002Chrome\u3042\u305f\u308a\u306b\u642d\u8f09\u3057\u3066\u5c11\u3057\u305a\u3064\u6d78\u900f\u3055\u305b\u3066\u3044\u304f\u4f5c\u6226\u3092\u3068\u308b\u3057\u304b\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Google\u306b\u3088\u308b\u69cb\u9020\u5316Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u305f\u3081\u306e\u65b0\u8a00\u8a9eDart\u304c\u516c\u958b\u3055\u308c\u307e\u3057\u305f\u3002 JavaScript\u3092\u7f6e\u304d\u63db\u3048\u308b\u610f\u56f3\u3092\u3082\u3063\u3066\u958b\u767a\u3055\u308c\u305f\u8a00\u8a9e\u3089\u3057\u3044\u306e\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u3067\u306e\u5229\u7528\u304c\u898b\u8fbc\u307e\u308c\u3066\u3044\u308b\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"author":2,"featured_media":1517,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[66],"tags":[],"class_list":["post-1516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-webservice"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/1516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=1516"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/1516\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/1517"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=1516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=1516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=1516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}