Using Swift with Cocoa and Objetive-C

// Using Swift with Cocoa and Objetive-C

/*

import处理会做如下三件事情：

1.讲OC的类型转换为swift的类型，比如id to AnyObject

2.讲OC库中类型转换为Swift类型，

NSString to String

NSNumber to Int，Float

NSArray  to Array

NSDictionary to Dictionary

3.讲OC中的概念转换为Swift概念，比如Pointer to Optional

*/