Listing 9, a quick example from Ruby on Rails, shows a closure that is used to code the response of an HTTP request.
清单9是Rubyon Rails中的一个简短例子，清单中的闭包用于为一个HTTP请求编写响应代码。
Rails, sprockets, Google closure and advanced opts.
导轨，链轮，谷歌关闭和先进的选择。
Rails, sprockets, Google closure and advanced opts.
导轨，链轮，谷歌关闭和先进的选择。
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