{"id":22527,"date":"2025-05-29T18:15:17","date_gmt":"2025-05-29T15:15:17","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/"},"modified":"2025-05-29T18:15:17","modified_gmt":"2025-05-29T15:15:17","slug":"harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/","title":{"rendered":"HarmonyOS&#8217;te V1 ve V2 Dekorat\u00f6rler: Ayr\u0131nt\u0131l\u0131 Bir Bak\u0131\u015f"},"content":{"rendered":"<p><body><\/p>\n<p>HarmonyOS&#8217;te V1 ve V2 Dekorat\u00f6rler: Ayr\u0131nt\u0131l\u0131 Bir Bak\u0131\u015f<\/p>\n<p>Merhaba!  Fatih Soysal olarak, bu makalede HarmonyOS geli\u015ftirme s\u00fcrecinde s\u0131k\u00e7a kar\u015f\u0131la\u015ft\u0131\u011f\u0131m\u0131z V1 ve V2 dekorat\u00f6rlerini ayr\u0131nt\u0131l\u0131 bir \u015fekilde ele alaca\u011f\u0131z.  \u00d6ncelikle, bu dekorat\u00f6rlerin ne oldu\u011funu ve neden \u00f6nemli olduklar\u0131n\u0131 a\u00e7\u0131klayal\u0131m.  Sonras\u0131nda ise, aralar\u0131ndaki temel farklar\u0131 ve hangi senaryolarda hangisinin daha uygun oldu\u011funu \u00f6rneklerle g\u00f6sterece\u011fiz.  Bu bilgiler, HarmonyOS uygulamalar\u0131n\u0131z\u0131n performans\u0131n\u0131 ve s\u00fcrd\u00fcr\u00fclebilirli\u011fini art\u0131rman\u0131za yard\u0131mc\u0131 olacakt\u0131r.  Ayr\u0131ca, daha iyi bir kod okunabilirli\u011fi sa\u011flayarak, geli\u015ftirme s\u00fcrecinizi h\u0131zland\u0131racakt\u0131r.<\/p>\n<h2>V1 Dekorat\u00f6rler: Temel Kavram<\/h2>\n<p>V1 dekorat\u00f6rler, HarmonyOS&#8217;in \u00f6nceki s\u00fcr\u00fcmlerinde kullan\u0131lan daha basit bir dekorat\u00f6r t\u00fcr\u00fcd\u00fcr.  Genellikle fonksiyonlar\u0131 s\u00fcslemek (decorate) ve ek i\u015flevsellik eklemek i\u00e7in kullan\u0131l\u0131rlar.  \u00d6rne\u011fin, bir fonksiyonun \u00e7al\u0131\u015ft\u0131r\u0131lmadan \u00f6nce veya sonra baz\u0131 i\u015flemlerin yap\u0131lmas\u0131n\u0131 sa\u011flayabilirler.  Ancak, V1 dekorat\u00f6rlerin s\u0131n\u0131rl\u0131l\u0131klar\u0131 vard\u0131r.  \u00d6zellikle karma\u015f\u0131k senaryolarda, yetersiz kalabilirler.<\/p>\n<p>\u0130\u015fte basit bir V1 dekorat\u00f6r \u00f6rne\u011fi:<\/p>\n<pre><code class=\"language-javascript\">\nfunction logExecutionTime(func) {\n  return function(...args) {\n    const startTime = Date.now();\n    const result = func(...args);\n    const endTime = Date.now();\n    console.log(Fonksiyon ${func.name} ${endTime - startTime}ms s\u00fcrd\u00fc.);\n    return result;\n  };\n}\n\n@logExecutionTime\nfunction myFunction(a, b) {\n  let sum = 0;\n  for (let i = 0; i < 100000000; i++) {\n    sum += i;\n  }\n  return a + b;\n}\n\nconsole.log(myFunction(5, 3));\n<\/code><\/pre>\n<p>Bu \u00f6rnekte, logExecutionTime fonksiyonu, ba\u015fka bir fonksiyonu (burada myFunction) al\u0131r ve \u00e7al\u0131\u015fma s\u00fcresini \u00f6l\u00e7erek ekranda g\u00f6r\u00fcnt\u00fcler.  Bu basit bir \u00f6rnek olsa da, V1 dekorat\u00f6rlerin temel mant\u0131\u011f\u0131n\u0131 g\u00f6stermektedir.  Daha karma\u015f\u0131k senaryolar i\u00e7in, V2 dekorat\u00f6rleri tercih edilmelidir.<\/p>\n<h2>V2 Dekorat\u00f6rler: Geli\u015fmi\u015f \u00d6zellikler<\/h2>\n<p>V2 dekorat\u00f6rler, daha esnek ve g\u00fc\u00e7l\u00fcd\u00fcr.  V1'e g\u00f6re daha geli\u015fmi\u015f \u00f6zelliklere sahiptirler.  Bunlar aras\u0131nda parametre alma yetene\u011fi,  dekorat\u00f6r\u00fcn kendi i\u00e7inde ba\u015fka fonksiyonlar\u0131 \u00e7a\u011f\u0131rma yetene\u011fi ve daha karma\u015f\u0131k senaryolar\u0131 destekleme yetene\u011fi yer al\u0131r.  Dolay\u0131s\u0131yla, b\u00fcy\u00fck ve karma\u015f\u0131k projeler i\u00e7in daha uygun bir \u00e7\u00f6z\u00fcm sunarlar.<\/p>\n<p>A\u015fa\u011f\u0131da, basit bir V2 dekorat\u00f6r \u00f6rne\u011fi verilmi\u015ftir:<\/p>\n<pre><code class=\"language-javascript\">\nfunction myDecorator(target, key, descriptor) {\n  const originalMethod = descriptor.value;\n  descriptor.value = function(...args) {\n    console.log(\"Fonksiyon \u00e7al\u0131\u015fmadan \u00f6nce...\");\n    const result = originalMethod.apply(this, args);\n    console.log(\"Fonksiyon \u00e7al\u0131\u015ft\u0131ktan sonra...\");\n    return result;\n  };\n  return descriptor;\n}\n\nclass MyClass {\n  @myDecorator\n  myMethod() {\n    console.log(\"My Method \u00e7al\u0131\u015f\u0131yor!\");\n  }\n}\n\nconst myInstance = new MyClass();\nmyInstance.myMethod();\n<\/code><\/pre>\n<p>Bu \u00f6rnekte, myDecorator fonksiyonu,  target, key ve descriptor parametrelerini alarak, fonksiyonun \u00e7al\u0131\u015ft\u0131r\u0131lmadan \u00f6nce ve sonra ek i\u015flemler yapar.  Bu, V1 dekorat\u00f6rlere g\u00f6re daha fazla kontrol sa\u011flar.  \u00d6rne\u011fin,  bir fonksiyonun parametrelerini de\u011fi\u015ftirme veya fonksiyonun \u00e7al\u0131\u015fma sonucunu de\u011fi\u015ftirme gibi i\u015flemleri ger\u00e7ekle\u015ftirebilirsiniz.<\/p>\n<h2>V1 ve V2 Dekorat\u00f6rlerin Kar\u015f\u0131la\u015ft\u0131r\u0131lmas\u0131<\/h2>\n<p>\u00d6zetle, V1 dekorat\u00f6rler basit kullan\u0131m durumlar\u0131 i\u00e7in uygundur.  Ancak,  V2 dekorat\u00f6rler daha g\u00fc\u00e7l\u00fc ve esnektir.  Karma\u015f\u0131k senaryolar ve b\u00fcy\u00fck projeler i\u00e7in V2 dekorat\u00f6rlerin kullan\u0131lmas\u0131 \u00f6nerilir.  Se\u00e7iminizi yaparken, projenizin karma\u015f\u0131kl\u0131\u011f\u0131n\u0131 ve ihtiya\u00e7lar\u0131n\u0131z\u0131 g\u00f6z \u00f6n\u00fcnde bulundurman\u0131z \u00f6nemlidir.<\/p>\n<p>Umar\u0131m bu makale, HarmonyOS'te V1 ve V2 dekorat\u00f6rler hakk\u0131nda daha iyi bir anlay\u0131\u015f sa\u011flam\u0131\u015ft\u0131r.  Daha fazla bilgi i\u00e7in <a href=\"https:\/\/fatihsoysal.com\">fatihsoysal.com<\/a>  sitesini ziyaret edebilirsiniz.  HarmonyOS geli\u015ftirme yolculu\u011funuzda ba\u015far\u0131lar dilerim!<\/p>\n<p>#Etiketler: HarmonyOS, Dekorat\u00f6r, V1 Dekorat\u00f6r, V2 Dekorat\u00f6r, JavaScript, TypeScript, Geli\u015ftirme, Programlama, Fonksiyonel Programlama, Performans, Kod Okunabilirli\u011fi<\/p>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"HarmonyOS&#8217;te V1 ve V2 Dekorat\u00f6rler: Ayr\u0131nt\u0131l\u0131 Bir Bak\u0131\u015f Merhaba! Fatih Soysal olarak, bu makalede HarmonyOS geli\u015ftirme s\u00fcrecinde s\u0131k\u00e7a&hellip;","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-22527","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>HarmonyOS&#039;te V1 ve V2 Dekorat\u00f6rler: Ayr\u0131nt\u0131l\u0131 Bir Bak\u0131\u015f<\/title>\n<meta name=\"description\" content=\"Merhaba! Fatih Soysal olarak, bu makalede HarmonyOS geli\u015ftirme s\u00fcrecinde s\u0131k\u00e7a kar\u015f\u0131la\u015ft\u0131\u011f\u0131m\u0131z V1 ve V2 dekorat\u00f6rlerini ayr\u0131nt\u0131l\u0131 bir \u015fekilde ele alaca\u011f\u0131z. \u00d6ncelikle, bu dekorat\u00f6rlerin ne oldu\u011funu ve neden \u00f6nemli olduklar\u0131n\u0131 a\u00e7\u0131klayal\u0131m. Sonras\u0131nda ise, aralar\u0131ndaki temel farklar\u0131 ve hangi senaryolarda hangisinin daha uygun oldu\u011funu \u00f6rneklerle g\u00f6sterece\u011fiz. Bu bilgiler, HarmonyOS uygulamalar\u0131n\u0131z\u0131n performans\u0131n\u0131 ve s\u00fcrd\u00fcr\u00fclebilirli\u011fini art\u0131rman\u0131za yard\u0131mc\u0131 olacakt\u0131r. Ayr\u0131ca, daha iyi bir kod okunabilirli\u011fi sa\u011flayarak, geli\u015ftirme s\u00fcrecinizi h\u0131zland\u0131racakt\u0131r.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HarmonyOS&#039;te V1 ve V2 Dekorat\u00f6rler: Ayr\u0131nt\u0131l\u0131 Bir Bak\u0131\u015f\" \/>\n<meta property=\"og:description\" content=\"Merhaba! Fatih Soysal olarak, bu makalede HarmonyOS geli\u015ftirme s\u00fcrecinde s\u0131k\u00e7a kar\u015f\u0131la\u015ft\u0131\u011f\u0131m\u0131z V1 ve V2 dekorat\u00f6rlerini ayr\u0131nt\u0131l\u0131 bir \u015fekilde ele alaca\u011f\u0131z. \u00d6ncelikle, bu dekorat\u00f6rlerin ne oldu\u011funu ve neden \u00f6nemli olduklar\u0131n\u0131 a\u00e7\u0131klayal\u0131m. Sonras\u0131nda ise, aralar\u0131ndaki temel farklar\u0131 ve hangi senaryolarda hangisinin daha uygun oldu\u011funu \u00f6rneklerle g\u00f6sterece\u011fiz. Bu bilgiler, HarmonyOS uygulamalar\u0131n\u0131z\u0131n performans\u0131n\u0131 ve s\u00fcrd\u00fcr\u00fclebilirli\u011fini art\u0131rman\u0131za yard\u0131mc\u0131 olacakt\u0131r. Ayr\u0131ca, daha iyi bir kod okunabilirli\u011fi sa\u011flayarak, geli\u015ftirme s\u00fcrecinizi h\u0131zland\u0131racakt\u0131r.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-29T15:15:17+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"HarmonyOS&#8217;te V1 ve V2 Dekorat\u00f6rler: Ayr\u0131nt\u0131l\u0131 Bir Bak\u0131\u015f\",\"datePublished\":\"2025-05-29T15:15:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/\"},\"wordCount\":526,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/\",\"name\":\"HarmonyOS'te V1 ve V2 Dekorat\u00f6rler: Ayr\u0131nt\u0131l\u0131 Bir Bak\u0131\u015f\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\"},\"datePublished\":\"2025-05-29T15:15:17+00:00\",\"description\":\"Merhaba! Fatih Soysal olarak, bu makalede HarmonyOS geli\u015ftirme s\u00fcrecinde s\u0131k\u00e7a kar\u015f\u0131la\u015ft\u0131\u011f\u0131m\u0131z V1 ve V2 dekorat\u00f6rlerini ayr\u0131nt\u0131l\u0131 bir \u015fekilde ele alaca\u011f\u0131z. \u00d6ncelikle, bu dekorat\u00f6rlerin ne oldu\u011funu ve neden \u00f6nemli olduklar\u0131n\u0131 a\u00e7\u0131klayal\u0131m. Sonras\u0131nda ise, aralar\u0131ndaki temel farklar\u0131 ve hangi senaryolarda hangisinin daha uygun oldu\u011funu \u00f6rneklerle g\u00f6sterece\u011fiz. Bu bilgiler, HarmonyOS uygulamalar\u0131n\u0131z\u0131n performans\u0131n\u0131 ve s\u00fcrd\u00fcr\u00fclebilirli\u011fini art\u0131rman\u0131za yard\u0131mc\u0131 olacakt\u0131r. Ayr\u0131ca, daha iyi bir kod okunabilirli\u011fi sa\u011flayarak, geli\u015ftirme s\u00fcrecinizi h\u0131zland\u0131racakt\u0131r.\",\"breadcrumb\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Anasayfa\",\"item\":\"https:\/\/fatihsoysal.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"HarmonyOS&#8217;te V1 ve V2 Dekorat\u00f6rler: Ayr\u0131nt\u0131l\u0131 Bir Bak\u0131\u015f\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/\",\"name\":\"Fatihsoysal.com\",\"description\":\"Blog - Yaz\u0131l\u0131m D\u00fcnyas\u0131 Tecr\u00fcbelerim\",\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/fatihsoysal.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"tr\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\",\"name\":\"Fatih Soysal\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/wp-content\/uploads\/2024\/04\/cropped-replicate-prediction-3kgg1hgjn5rgp0cf0p5tr0jw7w-1.png\",\"contentUrl\":\"https:\/\/fatihsoysal.com\/blog\/wp-content\/uploads\/2024\/04\/cropped-replicate-prediction-3kgg1hgjn5rgp0cf0p5tr0jw7w-1.png\",\"width\":512,\"height\":512,\"caption\":\"Fatih Soysal\"},\"logo\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/image\/\"},\"description\":\"Kullan\u0131m ve kodlama m\u00fckemmeliyetini odak alan uygulamalar olu\u015fturma deneyimine sahip, profesyonel olarak 15+ y\u0131l \u00fczeri deneyime sahip bir yaz\u0131l\u0131m m\u00fchendisi.\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/author\/fatihsoysal\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"HarmonyOS'te V1 ve V2 Dekorat\u00f6rler: Ayr\u0131nt\u0131l\u0131 Bir Bak\u0131\u015f","description":"Merhaba! Fatih Soysal olarak, bu makalede HarmonyOS geli\u015ftirme s\u00fcrecinde s\u0131k\u00e7a kar\u015f\u0131la\u015ft\u0131\u011f\u0131m\u0131z V1 ve V2 dekorat\u00f6rlerini ayr\u0131nt\u0131l\u0131 bir \u015fekilde ele alaca\u011f\u0131z. \u00d6ncelikle, bu dekorat\u00f6rlerin ne oldu\u011funu ve neden \u00f6nemli olduklar\u0131n\u0131 a\u00e7\u0131klayal\u0131m. Sonras\u0131nda ise, aralar\u0131ndaki temel farklar\u0131 ve hangi senaryolarda hangisinin daha uygun oldu\u011funu \u00f6rneklerle g\u00f6sterece\u011fiz. Bu bilgiler, HarmonyOS uygulamalar\u0131n\u0131z\u0131n performans\u0131n\u0131 ve s\u00fcrd\u00fcr\u00fclebilirli\u011fini art\u0131rman\u0131za yard\u0131mc\u0131 olacakt\u0131r. Ayr\u0131ca, daha iyi bir kod okunabilirli\u011fi sa\u011flayarak, geli\u015ftirme s\u00fcrecinizi h\u0131zland\u0131racakt\u0131r.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/fatihsoysal.com\/blog\/harmonyoste-v1-ve-v2-dekoratorler-ayrintili-bir-bakis\/","og_locale":"tr_TR","og_type":"article","og_title":"HarmonyOS'te V1 ve V2 Dekorat\u00f6rler: Ayr\u0131nt\u0131l\u0131 Bir Bak\u0131\u015f","og_description":"Merhaba! Fatih Soysal olarak, bu makalede HarmonyOS geli\u015ftirme s\u00fcrecinde s\u0131k\u00e7a kar\u015f\u0131la\u015ft\u0131\u011f\u0131m\u0131z V1 ve V2 dekorat\u00f6rlerini ayr\u0131nt\u0131l\u0131 bir \u015fekilde ele alaca\u011f\u0131z. \u00d6ncelikle, bu dekorat\u00f6rlerin ne oldu\u011funu ve neden \u00f6nemli olduklar\u0131n\u0131 a\u00e7\u0131klayal\u0131m. 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