AFSwiftDateExtensionNSDate 擴(kuò)展

AFSwiftDateExtension 是 iOS NSDate 擴(kuò)展，能使 NSDate 相關(guān)操作更簡(jiǎn)單，它依靠 SWIFT 頂層函數(shù)建立，有更好的體驗(yàn)和安全性。

特性：

• Compare dates using common compare operators: >, >=, <, <=

• Get interval between dates using that custom operator >-<

• Add/remove date components by using aritmethic operators: +, -, +=, -=

• Curryed functions

• Use subscripting to access single or group of date components

要求：

• iOS7 or above

• Swift 1.2