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Ios ReactiveCocoa replayLast:&x2B；拍摄：1_Ios_Objective C_Functional Programming_Reactive Cocoa - Fatal编程技术网
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  • Ios ReactiveCocoa replayLast:&x2B；拍摄：1

Ios ReactiveCocoa replayLast:&x2B；拍摄：1

ios objective-c functional-programming

Ios ReactiveCocoa replayLast:&x2B；拍摄：1,ios,objective-c,functional-programming,reactive-cocoa,Ios,Objective C,Functional Programming,Reactive Cocoa,我在ReactiveCocoa 2中遇到了一个代码片段，它使用replayLast和take:1的组合。假设ReplayList只返回一个元素，take:1是否冗余 [[[[ ... ] replayLast] take:1] switchToLatest]; 它不是多余的：replayLast将开始重放最后一个元素，但它将继续在初始元素之后发出任何后续值

我在ReactiveCocoa 2中遇到了一个代码片段，它使用replayLast和take:1的组合。假设ReplayList只返回一个元素，take:1是否冗余

[[[[ ... ] replayLast] take:1] switchToLatest];
它不是多余的：
replayLast
将开始重放最后一个元素，但它将继续在初始元素之后发出任何后续值