原档:https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/AdvancedOperators.html#//apple_ref/doc/uid/TP40014097-CH27-ID28 参考:http://wiki.jikexueyuan.com/project/swift/chapter2/25_Advanced_Operator…

原档: https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Protocols.html#//apple_ref/doc/uid/TP40014097-CH25-ID267 参考:http://wiki.jikexueyuan.com/project/swift/chapter2/22_Protocols.html 1.协议 协议定…

原档:https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/BasicOperators.html#//apple_ref/doc/uid/TP40014097-CH6-ID60 关于基本操作符 Swift支持大多数的标准C操作符,也改进了其中一些能力以避免常见的编写错误. 例如,等号=并不返回一个值,以避免想用==时发生误写.运算符…

原档:https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/AccessControl.html#//apple_ref/doc/uid/TP40014097-CH41-ID3 参考:http://wiki.jikexueyuan.com/project/swift/chapter2/24_Access_Control.html 1.…

原档:https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Generics.html#//apple_ref/doc/uid/TP40014097-CH26-ID179 参考:http://wiki.jikexueyuan.com/project/swift/chapter2/23_Generics.html 1.泛型 泛型代码可以…

原档:https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Extensions.html#//apple_ref/doc/uid/TP40014097-CH24-ID151 参考:http://wiki.jikexueyuan.com/project/swift/chapter2/21_Extensions.html 1.扩展(Ex…

原档:https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/TypeCasting.html#//apple_ref/doc/uid/TP40014097-CH22-ID338 参考:http://wiki.jikexueyuan.com/project/swift/chapter2/19_Type_Casting.html 1.类型…

原档:https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/NestedTypes.html#//apple_ref/doc/uid/TP40014097-CH23-ID242 参考:http://wiki.jikexueyuan.com/project/swift/chapter2/20_Nested_Types.html 1.嵌套…

原档:https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/ErrorHandling.html#//apple_ref/doc/uid/TP40014097-CH42-ID508 参考:http://wiki.jikexueyuan.com/project/swift/chapter2/18_Error_Handling.html…

原档:https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/OptionalChaining.html#//apple_ref/doc/uid/TP40014097-CH21-ID245 参考:http://wiki.jikexueyuan.com/project/swift/chapter2/17_Optional_Chaining…