swift转OC:http://iswift.org/try
OC转swift:https://www.myappconverter.com/
swift语言视频:http://space.bilibili.com/5551264#!/index
Swift 开发者周刊:http://doswift.io/archive/0.html
LLVM:https://linux.cn/article-6073-weibo.html
面向协议的思想:http://www.jianshu.com/p/80bd6633ec7c?utm_campaign=hugo&utm_medium=reader_share&utm_content=note
Swift 开源项目精选:https://github.com/ipader/SwiftGuide/blob/master/Featured.md
官方文档的相关内容:http://www.cnblogs.com/ChenYilong/p/3496069.html#2947319