ios 讀書會分享 (20150418)
TRANSCRIPT
![Page 1: iOS 讀書會分享 (20150418)](https://reader036.vdocuments.net/reader036/viewer/2022073018/55b6def1bb61ebed588b485b/html5/thumbnails/1.jpg)
Copy or not copySmart Wang
![Page 2: iOS 讀書會分享 (20150418)](https://reader036.vdocuments.net/reader036/viewer/2022073018/55b6def1bb61ebed588b485b/html5/thumbnails/2.jpg)
Class• refence
copy reference
modify by obj2 obj1 be
modified too
![Page 3: iOS 讀書會分享 (20150418)](https://reader036.vdocuments.net/reader036/viewer/2022073018/55b6def1bb61ebed588b485b/html5/thumbnails/3.jpg)
Class• let
let
can modify content
let reference
![Page 4: iOS 讀書會分享 (20150418)](https://reader036.vdocuments.net/reader036/viewer/2022073018/55b6def1bb61ebed588b485b/html5/thumbnails/4.jpg)
struct / enum• copy
can modify
properties
![Page 5: iOS 讀書會分享 (20150418)](https://reader036.vdocuments.net/reader036/viewer/2022073018/55b6def1bb61ebed588b485b/html5/thumbnails/5.jpg)
struct / enum• let
p1 is struct
can not modify content
![Page 6: iOS 讀書會分享 (20150418)](https://reader036.vdocuments.net/reader036/viewer/2022073018/55b6def1bb61ebed588b485b/html5/thumbnails/6.jpg)
• parameter
function
default let can not be assign
var
can be assign
![Page 7: iOS 讀書會分享 (20150418)](https://reader036.vdocuments.net/reader036/viewer/2022073018/55b6def1bb61ebed588b485b/html5/thumbnails/7.jpg)