Swift3.0 闭包整理 - CocoaChina_让移动开发更简单1
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2016/12/21 18(26Swift3.0 ᳮ۱ෆቘ - CocoaChina_ᦏᑏۖݎๅᓌܔ
ᒫ 1 ᶭҁو 6 ᶭ҂http://www.cocoachina.com/ios/20161201/18250.html
iOS Swift App Store VR
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TabBarController ...
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0 932
Mac
iOS
iOSapp
UI
app
> iOS
Swift3.0
2016-12-01 09:55 iOS bluajack
Ӟᛱ୵ୗғ{
(parameters) -> returnType in
statements
}
(parameters)in-out()
"in"in
//Ӟᛱ୵ୗ
let calAdd:(Int,Int)->(Int) = {
(a:Int,b:Int) -> Int in
return a + b
}
print(calAdd(100,150))
//Swiftݢզ໑ഝᳮ۱Ӥӥവෙ݇හᬬࢧ꧊ጱᔄࣳ҅ಅզӤᶎጱֺৼݢզᓌ۸ইӥ
let calAdd2:(Int,Int)->(Int) = {
a,b in //Ԟݢզٟ౮(a,b) in
return a + b
}
print(calAdd2(150,100))
//Ӥᶎኼԧᬬࢧᓞ݇හ݊ᬬࢧ꧊ᔄࣳ҅զ݊݇හޮࢱጱೡݩ୮ᆐ֦Ԟݢզےೡݩ҅ԅԧঅᅩ҅ጱႴ༩ᅩ(a,b)
//ܔᤈᤒᬡୗᳮ۱ݢզᵌୗᬬࢧ҅ইӥ҅ኼreturn
let calAdd3:(Int,Int)->(Int) = {(a,b) in a + b}
print(calAdd3(50,200))
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