Scala：Functions and Closures
摘要：1 object Functions { 2 def main(args: Array[String]) { 3 // 本地函数 4 def localFun(msg: String) = println(msg) 5 localFun("Hi") 6 7 /...
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posted @ 2015-01-11 19:53
随笔分类 - Scala
Scala。
Scala：Functional Objects
摘要：先上代码 1 class FunctionalObjects(var _x: Int, var _y: Int) { 2 require(_x > 0) 3 require(_y > 0) 4 5 def this(value: Int) = this(value, value) 6 ...
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posted @ 2015-01-07 22:31
Scala：Method 小技巧，忽略result type之后的等号
摘要：1 var x = 0 2 3 def IncreaseOne(): Int = { 4 x += 1 5 x 6 } 7 8 def IncreaseOne() = { 9 x += 110 x11 }12 13 def IncreaseOne = {14 x += 11...
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posted @ 2015-01-04 21:49
Scala：Next Steps in Scala
摘要：Array 1 val greetStrings = new Array[String](3) 2 greetStrings(0) = "Hello" 3 greetStrings(1) = "，" 4 greetStrings(2) = "world!\n" 5 6 for(i "One", ...
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posted @ 2015-01-03 20:43
Scala：First Steps in Scala
摘要：var and val简单来说，val声明的变量可以重新修改其引用，val则不行，见下面的例子： 1 def max(x: Int, y: Int): Int = { 2 if(x > y) x else y 3 } 4 5 def max(x: Int, y: Int): Int = i...
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posted @ 2015-01-02 11:12
Scala：HelloWorld
摘要：代码1 object HelloWorld {2 def main(args: Array[String]): Unit = {3 println("Hello world") 4 }5 }解说object关键字相当于static（更确切的说法是单例模式的一种语言层面...
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posted @ 2015-01-01 20:21
Scala：使用Sublime开发Scala
摘要：学习一门新的语言时最好不要使用IDE，不过也不能走极端采用纯文本编辑器，这里采用Sublime，语法高亮显示已经默认支持了，编译系统需要自己DIY一下。这里简单的介绍一下：第一步：【Tools】【Build System】【New Build System】第二步：在打开的新文件中输入：{ "...
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posted @ 2014-06-07 20:14
Scala：Object-Oriented Meets Functional
摘要：Have the best of both worlds. Construct elegant class hierarchies for maximum code reuse and extensibility, implement their behavior using higher-orde...
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posted @ 2014-06-06 15:26
