{"id":166893,"date":"2013-01-24T09:10:03","date_gmt":"2013-01-24T05:10:03","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=166893"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=166893","title":{"rendered":"<span class=\"post_title\">\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c method decorator \u0432 CoffeeScript(Javascript) \u0434\u043b\u044f \u0443\u0434\u043e\u0431\u043d\u043e\u0433\u043e \u0438 \u0447\u0438\u0442\u0430\u0435\u043c\u043e\u0433\u043e DRY-\u043a\u043e\u0434\u0430<\/span>"},"content":{"rendered":"<div class=\"content html_format\">   \t\u0421\u0442\u0430\u0442\u044c\u044f \u043e \u043f\u0440\u043e\u0441\u0442\u043e\u043c, \u043d\u043e \u043d\u0435 \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u043e\u043c \u0441\u043f\u043e\u0441\u043e\u0431\u0435 \u043a\u0430\u043a \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043a\u043e\u0434 \u0447\u0438\u0449\u0435 \u0438 \u0438\u0437\u0431\u0430\u0432\u0438\u0442\u044c\u0441\u044f \u043e\u0442 \u043a\u043e\u043f\u0438\u043f\u0430\u0441\u0442\u044b.<\/p>\n<p>  \u0423\u0441\u043b\u043e\u0432\u043d\u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u0432\u043e\u0442 \u0442\u0430\u043a:  <\/p>\n<pre><code class=\"coffeescript\">### My awesome class ### class Awesome   doFoo : (arg, cb) -&gt;     unless arg is 42       return cb Error &quot;&quot;&quot;                       only The Answer may be an argument, but got:                       |arg| = |#{arg}|                       &quot;&quot;&quot;     cb &quot;#{arg} is The Answer&quot;    doBar : (arg, cb) -&gt;     # hm... arg must be The Answer too <\/code><\/pre>\n<p>  \u0423 \u043d\u0430\u0441 \u0435\u0441\u0442\u044c \u043a\u0443\u0441\u043e\u043a \u043a\u043e\u0434\u0430 (\u0442\u043e\u0442, \u0447\u0442\u043e \u0441 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u043e\u0439), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u043e-\u043f\u0435\u0440\u0432\u044b\u0445 \u043f\u043e\u0445\u043e\u0436\u0435 \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u043f\u043e\u0432\u0442\u043e\u0440\u0438\u0442\u044c \u0432 \u043d\u043e\u0432\u043e\u043c \u043c\u0435\u0442\u043e\u0434\u0435, \u0434\u0430 \u0438 \u0432\u043e\u043e\u0431\u0449\u0435 \u043e\u0442\u0432\u043b\u0435\u043a\u0430\u0435\u0442 \u043e\u0442 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0433\u043e \u0434\u0435\u0439\u0441\u0442\u0432\u0430 \u0432 \u043c\u0435\u0442\u043e\u0434\u0435.<\/p>\n<p>  <a name=\"habracut\"><\/a><br \/>  \u0414\u043b\u044f \u0438\u0437\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043e\u0442 \u043a\u043e\u043f\u0438\u043f\u0430\u0441\u0442\u044b \u043c\u044b \u0441\u043b\u0435\u0433\u043a\u0430 \u0441\u0445\u0438\u0442\u0440\u0438\u043c \u0438 \u0438\u0437\u043c\u0435\u043d\u0438\u043c \u043a\u043e\u0434 \u043c\u043e\u0434\u0443\u043b\u044f, \u0432\u0432\u0435\u0434\u044f \u043e\u0434\u043d\u0443 \u0432\u043d\u0435\u043a\u043b\u0430\u0441\u0441\u043e\u0432\u0443\u044e \u0444\u0443\u043d\u043a\u0446\u0438\u044e, \u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0441\u0442\u0430\u043d\u0435\u0442 \u0432\u044b\u0433\u043b\u044f\u0434\u0435\u0442\u044c \u0442\u0430\u043a:  <\/p>\n<pre><code class=\"coffeescript\">### My awesome class ###  ensureArgIsTheAnswer = (methodBody) -&gt;   (arg, cb) -&gt;     unless arg is 42       return cb Error &quot;&quot;&quot;                       only The Answer may be an argument, but got:                       |arg| = |#{arg}|                       &quot;&quot;&quot;     methodBody.call @, arg, cb  class Awesome   doFoo : ( ensureArgIsTheAnswer (arg, cb) -&gt;     cb &quot;#{arg} is The Answer&quot;   )    doBar : ( ensureArgIsTheAnswer (arg, cb) -&gt;     cb &quot;#{arg*2} is The Double Answer&quot;   ) <\/code><\/pre>\n<p>  \u042d\u0442\u043e\u0442 \u0436\u0435 \u043f\u0440\u0438\u043d\u0446\u0438\u043f \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u043b\u044f \u043e\u0442\u043b\u0430\u0434\u043e\u0447\u043d\u043e\u0433\u043e \u043b\u043e\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f:  <\/p>\n<pre><code class=\"coffeescript\">### Logging method decorator ### logOnDemand = (methodBody) -&gt;   (args...)-&gt;     __rval__ = methodBody.apply this, args     if @_do_logging_       console.log &quot;#{args[0]} -&gt; #{__rval__}&quot;     __rval__ <\/code><\/pre>\n<p>  \u0418 \u0432\u0441\u0435\u0433\u043e, \u0447\u0435\u0433\u043e \u0432\u0430\u043c \u0442\u043e\u043b\u044c\u043a\u043e \u0432\u0437\u0434\u0443\u043c\u0430\u0435\u0442\u0441\u044f.<\/p>\n<p>  \u041b\u043e\u0436\u043a\u0430 \u0434\u0435\u0433\u0442\u044f (\u043a\u0443\u0434\u0430 \u0443\u0436 \u0431\u0435\u0437 \u043d\u0435\u0435) \u2014 \u0441\u0430\u043c\u0438 \u0434\u0435\u043a\u043e\u0440\u0430\u0442\u043e\u0440\u044b \u0442\u0430\u043a\u0438 \u043f\u0440\u0438\u0434\u0435\u0442\u0441\u044f \u043a\u043e\u043f\u0438\u043f\u0430\u0441\u0442\u0438\u0442\u044c \u0438\u0437 \u043c\u043e\u0434\u0443\u043b\u044f \u0432 \u043c\u043e\u0434\u0443\u043b\u044c, \u043f\u0440\u043e\u0441\u0442\u043e\u0433\u043e \u0438 \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u043e\u0433\u043e \u0441\u043f\u043e\u0441\u043e\u0431\u0430 \u0440\u0430\u0441\u0448\u0430\u0440\u0438\u0442\u044c \u0438\u0445 \u044f \u043f\u043e\u043a\u0430 \u043d\u0435 \u043d\u0430\u0448\u0435\u043b.<\/p>\n<p>  \u042d\u0442\u043e\u0442 \u0442\u0440\u044e\u043a \u0431\u044b\u043b \u0447\u0435\u0441\u0442\u043d\u043e \u043a\u0443\u043f\u043b\u0435\u043d \u0441 \u043a\u043d\u0438\u0436\u043a\u043e\u0439 <a href=\"https:\/\/leanpub.com\/coffeescript-ristretto\">CoffeeScript Ristretto<\/a>, \u043f\u043e \u043c\u043d\u0435 \u2014 \u0441\u0430\u043c\u043e\u0439 \u0442\u043e\u043b\u043a\u043e\u0432\u043e\u0439 \u0434\u043b\u044f \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u044f CoffeeScript.<\/p>\n<p>  <em>PS. \u042d\u0442\u043e \u043f\u0440\u0430\u0432\u043e\u0432\u0435\u0440\u043d\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u0435\u043a\u043e\u0440\u0430\u0442\u043e\u0440\u043e\u0432, \u0431\u0435\u0437 <code>callee<\/code> \u0438 \u043f\u0440\u043e\u0447\u0435\u0439 \u0431\u0435\u0441\u043e\u0432\u0449\u0438\u043d\u044b, \u043e\u043d \u043d\u0435 \u043f\u043e\u0440\u0442\u0438\u0442 \u043a\u0430\u0440\u043c\u044b.<\/em><\/p>\n<p>  <em>PPS. \u0421\u043a\u043e\u0431\u043a\u0438 \u0432\u043e\u043a\u0440\u0443\u0433 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u0434\u0435\u043a\u043e\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043c\u0435\u0442\u043e\u0434\u0430 \u0432 \u043a\u043b\u0430\u0441\u0441\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043d\u0435 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u043d\u043e \u043e\u043d\u0438 \u043f\u043e\u043c\u043e\u0433\u0430\u044e\u0442 \u043f\u043e\u0434\u0441\u0432\u0435\u0442\u043a\u0435 TM2, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u044f \u0438\u0445 \u0432\u043a\u043b\u044e\u0447\u0430\u044e \u0432 \u0441\u0432\u043e\u0439 \u043a\u043e\u0434.<\/em>    \t \t\t   \t<\/p>\n<div class=\"clear\"><\/div>\n<\/p><\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"http:\/\/habrahabr.ru\/post\/166893\/\"> http:\/\/habrahabr.ru\/post\/166893\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"content html_format\">   \t\u0421\u0442\u0430\u0442\u044c\u044f \u043e \u043f\u0440\u043e\u0441\u0442\u043e\u043c, \u043d\u043e \u043d\u0435 \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u043e\u043c \u0441\u043f\u043e\u0441\u043e\u0431\u0435 \u043a\u0430\u043a \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043a\u043e\u0434 \u0447\u0438\u0449\u0435 \u0438 \u0438\u0437\u0431\u0430\u0432\u0438\u0442\u044c\u0441\u044f \u043e\u0442 \u043a\u043e\u043f\u0438\u043f\u0430\u0441\u0442\u044b.<\/p>\n<p>  \u0423\u0441\u043b\u043e\u0432\u043d\u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u0432\u043e\u0442 \u0442\u0430\u043a:  <\/p>\n<pre><code class=\"coffeescript\">### My awesome class ### class Awesome   doFoo : (arg, cb) -&gt;     unless arg is 42       return cb Error &quot;&quot;&quot;                       only The Answer may be an argument, but got:                       |arg| = |#{arg}|                       &quot;&quot;&quot;     cb &quot;#{arg} is The Answer&quot;    doBar : (arg, cb) -&gt;     # hm... arg must be The Answer too <\/code><\/pre>\n<p>  \u0423 \u043d\u0430\u0441 \u0435\u0441\u0442\u044c \u043a\u0443\u0441\u043e\u043a \u043a\u043e\u0434\u0430 (\u0442\u043e\u0442, \u0447\u0442\u043e \u0441 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u043e\u0439), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u043e-\u043f\u0435\u0440\u0432\u044b\u0445 \u043f\u043e\u0445\u043e\u0436\u0435 \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u043f\u043e\u0432\u0442\u043e\u0440\u0438\u0442\u044c \u0432 \u043d\u043e\u0432\u043e\u043c \u043c\u0435\u0442\u043e\u0434\u0435, \u0434\u0430 \u0438 \u0432\u043e\u043e\u0431\u0449\u0435 \u043e\u0442\u0432\u043b\u0435\u043a\u0430\u0435\u0442 \u043e\u0442 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0433\u043e \u0434\u0435\u0439\u0441\u0442\u0432\u0430 \u0432 \u043c\u0435\u0442\u043e\u0434\u0435.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-166893","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/166893","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=166893"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/166893\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=166893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=166893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=166893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}