Scala
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例句
It has always been a dream of mine to write Eclipse plug-ins in other languages like JavaScript, Groovy or Scala.
我一直有个梦想——使用其它语言如JavaScript、Groovy或Scala编写Eclipse插件。
The list-construction operators in Scala make the return conditions for both cases quite readable and easy to understand.
Scala中的列表构造操作符使得这两种情况下的返回条件变得非常易读、易于理解。
In the case of XPath, you are able to use certain parts of XPath syntax directly in Scala, as it just gets translated into a function call.
在XPath中，由于可以被转换成一个函数调用，您可以在Scala中直接应用XPath语法的某一部分。
Recall that type information is often inferred in Scala (unlike Java), meaning we don't always show type annotations explicitly.
回想一下，类型信息在Scala中经常是被推断出来的（不像Java），这意味着我们并不总是需要显式的声明类型。
You should now be prepared to read a fair bit of Scala code, but there's plenty more about the language to put in your tool belt.
你现在应该准备好阅读更多的Scala代码了，但是这门语言仍然有很多的知识可以让你充实起来。
It still wanted half an hour of sunset as he left the door of the Scala palace.
他走出斯卡拉府第大门的时候，离太阳落山还有半个小时。
Before we begin, I'll lay out a few functional concepts that are required to understand why Scala looks and acts the way it does.
开始之前，我将列出一些必要的函数概念，以帮助理解为何Scala以这种方式操作和表现。
If I am trying to develop some software that works on binary data, I don't want Scala to optimize for me behind the scenes.
如果我要开发的某种软件是用来操作二进制数据的，我可不希望Scala在屏幕后面为我做什么优化。
Scala combined with Spring makes it quite easy to transparently inject services into all kind of objects instantiated at runtime.
Scala与Spring的整合可以在运行期轻松将服务透明地注入到各种对象中。
Java programmers looking to call into Scala should also be familiar with traits as a mechanism for using Scala.
希望使用Scala的Java程序员也应熟悉特征，将其作为使用Scala的一种机制。
But enough of the abstract overview: programmers like to see code, so let's take a look at what Scala can do.
但抽象概述并不够：程序员喜欢看代码，所以让我们来看一下Scala可以做什么。
Both Fan and Scala are trying to take software scalability to the next level, but I think we are taking different paths to get there.
Fan和Scala都企图将软件可扩张性发展到新的阶段，但我想我们为此采取的方式不同。
Using Scala just for the tests meant we got to use it in anger without impacting production code directly.
只用Scala写测试，就不直接影响产品代码，我们还能忍着怒气继续用Java。
Remember that the compiler can pull all sorts of tricks, just as long as the final result obeys the semantic meaning of the Scala language.
请记住，编译器可以容纳所有技巧，只要最终结果符合Scala语言的语义含义即可。
Scala is an attempt to incorporate functional concepts and terseness without losing the richness of the object paradigm.
Scala将函数概念与简洁性相融合，同时又未失去对象的丰富特性。
Note that the return value of a get on a Scala Map is not the actual value corresponding to the passed key.
注意，ScalaMap中get的返回值实际上并不对应于传递的键。
In practice, I've never seen this happen with a trivial example so I guess we'll have to take the Scala designers' word for it.
（在实践中，我还没有见过在简单的示例中出现这种效果，所以我想我们只能暂且相信Scala设计者的说法）。
Scala enables you to define a new construct that lies halfway between an interface and a class, called a trait.
Scala使您能够定义处于接口和类之间的新型结构，称为特征（trait）。
The hotel is also close to the Stock Exchange, the La Scala Opera House; and is within walking distance of shopping malls and boutiques.
酒店也邻近股票交易所、斯卡拉剧院（LaScala），距离购物中心及高级商店几步之遥。
The stack is made up of Rails for the front side, C, Scala and Java for the middle business layer, and MySQL for storing data.
其结构是用Rails作前端，C，Scala和Java组成中间的业务层，使用MySQL存储数据。
Tuples are not a game-changing feature, just another one of those "niceties" that makes Scala a powerful language to use.
元组并不是一个非常具有变革性的特性，它只不过是又一个使Scala成为强大语言的优秀特性。
When we were learning new Scala features, we chose whether to use them based on whether the intent of the resulting code was more obvious.
在我们学到Scala新特性的时候，我们会根据代码是不是能够更明确的体现出实现意图来决定用不用。
Scala's case classes and its built-in support for pattern matching model algebraic types used in many functional programming languages.
Scala的case类及其内置支持的模式匹配模型代数类型在许多函数式编程语言中都被使用。
18th century magnificent opera house, built similarly to La Scala in Milan and San Carlos in Naples, is one of the prettiest in Europe.
18世纪的宏伟歌剧院，建成类似斯卡拉米兰和圣卡洛斯在那不勒斯，是欧洲最漂亮的一个。
We ended the last chapter with a few "teaser" examples of Scala code.
在上一章我们以几个撩拨性质的Scala代码范例作为章节结束。
This expression is actually the body of an "anonymous function" , called a function literal in Scala.
这个表达式实际上是一个“匿名函数”的函数体，在Scala中称为字面函数。
You may have noticed that the compiler did not complain when the file was named upper3. scala and the object was named Upper.
你可能已经注意到编译器并没有因为文件名为upper3.scala而object名为Upper而抱怨。
The only drawback is that the methods do not actually exist in Scala code and cannot, thus, be called by other Scala code.
惟一的缺陷是这些方法并不实际存在于Scala代码中，因此其他Scala代码无法调用它们。
You can see from the above example that Scala allows classes to be declared inside one another, or "nested" .
你可以从上面的例子中看到，Scala允许在一个类中定义另外一个，或者成为“嵌套”。
If I asked you to describe Scala in a sentence, how would that sentence look like?
如果要您用一句话来描述Scala，您会怎么说？
So I can only imagine how hypnotizing those songs and anthems can be live at the Scala del Calcio.
因此我只能想象置身于现场时这些加油歌和赞美诗将是多么地令人心驰神往。
Since Scala enumerations are just regular objects, you could use any object with vals to indicate different "enumeration values" .
因为Scala的枚举值是通常的对象，你可以使用任何val对象来指示不同的“枚举值”。
Have fun with that, and let me know if you find work programming in Scala!
愿您从中找到乐趣，如果发现了用Scala编程的工作，别忘了告诉我！
InfoQ: So how do you think Scala will look like in 5 years in terms of the language and its surrounding ecosystem?
那么从语言和周边生态环境的角度来看，您觉得Scala在5年后会是什么样子呢？
Martin Odersky: The company aims to provide the best products and support for commercial and community users of Scala.
MartinOdersky：公司的目标是为Scala的商业用户和社区用户提供最好的产品和支持。
Look carefully at what the scala interpreter said the first command returned, double (Int)Unit.
仔细看scala解释器给出的第一个命令的返回值，double：（Int）Unit。
The only static feature the Scala language offers is (companion) objects, whose counterparts in Java are singletons.
Scala语言所提供的唯一一个静态特性就是对象，其在Java中的等价物就是单例。
The Scala compiler is easily able to infer this information, so there's no need to be redundant.
Scala编译器可以轻松推断出该信息，所以不需要多此一举。
In Scala, the last expression in a function is the return value, although you can have return statements elsewhere, too.
在Scala中，函数的最后一个表达式就是返回值，尽管你也可以在其它地方使用return语句。
The feature uses reflection, and works not only for Scala code but just as well with Java.
该特性使用到了反射，不仅可以用于Scala代码，还适用于Java。
