请教什么是反应式编程(Reactive programming)? - V2EX
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gongweixin
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请教什么是反应式编程(Reactive programming)?

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  •   gongweixin 2014-02-17 09:58:55 +08:00 5827 次点击
    这是一个创建于 4264 天前的主题,其中的信息可能已经有所发展或是发生改变。
    在wiki http://en.wikipedia.org/wiki/Reactive_programming 和 stackoverflow http://stackoverflow.com/questions/1028250/what-is-functional-reactive-programming 上找到了两篇文章,可惜本人英语太烂,看的云里雾里的,求大神能清晰明了的介绍一下。
    5 条回复    1970-01-01 08:00:00 +08:00
    bcxx
        1
    bcxx  
       2014-02-17 10:04:55 +08:00   1
    类似于你给一个 dom 元素绑定了 onchange 事件, 这个元素 change 了,和这个元素相关的东西也会 change……

    wikipedia 那个例子不是讲得很清楚么

    > b = 3
    > c = 2
    > a = b + c
    > a == 5 # True
    > b = 4
    > a == 5 # False
    > a == 6 # True

    也就和 excel 里面引用单元格差不多?
    gongweixin
        2
    gongweixin  
    OP
       2014-02-17 11:04:29 +08:00
    @bcxx 了解了。thx
    learnshare
        3
    learnshare  
       2014-02-17 11:11:46 +08:00
    Qt 的信号槽机制?
    tioover
        4
    tioover  
       2014-02-18 20:54:33 +08:00
    @bcxx 感觉有点像惰性求值的意思
    terrytowne
        5
    terrytowne  
       2014-03-10 22:13:59 +08:00
    Imperative programming + declarative, lazy evaluation = Reactive programming

    Reactive programming + higher order functions, composition = FRP
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