{"id":521,"date":"2021-09-17T15:22:52","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"http:\/\/swift.tecc0.com\/?p=521"},"modified":"2021-09-17T15:22:52","modified_gmt":"1970-01-01T00:00:00","slug":"post-521","status":"publish","type":"post","link":"https:\/\/swift.tecc0.com\/?p=521","title":{"rendered":"Swift\u3067\u30bb\u30c3\u30c8\u306e\u8981\u7d20\u6570(Count)\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>Swift\u306e<strong>\u30bb\u30c3\u30c8\u3067\u8981\u7d20\u6570\u3092\u53d6\u5f97\u3059\u308b<\/strong>\u65b9\u6cd5\u306f\u7c21\u5358\u3060\u3088\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>Swift\u3067\u30bb\u30c3\u30c8\u306e\u8981\u7d20\u6570\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n<pre class=\"lang:swift decode:true \">var countrySet = Set(arrayLiteral: \"USA\", \"Japan\")\r\nprint(countrySet.count) \/\/ 2\r\n\r\ncountrySet.insert(\"Australia\")\r\nprint(countrySet.count) \/\/ 3<\/pre>\n<p>\u3053\u3093\u306a\u611f\u3058\u3067\u3001 <strong>\u30bb\u30c3\u30c8.count<\/strong>\u00a0\u3068\u3044\u3046\u5f62\u3067\u53d6\u5f97\u3067\u304d\u308b\u3088\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Swift\u306e\u30bb\u30c3\u30c8\u3067\u8981\u7d20\u6570\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u306f\u7c21\u5358\u3060\u3088\u3002 &nbsp; Swift\u3067\u30bb\u30c3\u30c8\u306e\u8981\u7d20\u6570\u3092\u53d6\u5f97\u3059\u308b var countrySet = Set(arrayLiteral: &#8220;USA&#8221;, &#8220;Japan&#8221;) print(&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/521"}],"collection":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=521"}],"version-history":[{"count":1,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/521\/revisions"}],"predecessor-version":[{"id":522,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/521\/revisions\/522"}],"wp:attachment":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}