diff options
Diffstat (limited to 'swift.html.markdown')
| -rw-r--r-- | swift.html.markdown | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/swift.html.markdown b/swift.html.markdown index 0d1d2df4..5e6b76e6 100644 --- a/swift.html.markdown +++ b/swift.html.markdown @@ -211,7 +211,7 @@ greet("Bob", "Tuesday") func greet2(#requiredName: String, externalParamName localParamName: String) -> String { return "Hello \(requiredName), the day is \(localParamName)" } -greet2(requiredName:"John", externalParamName: "Sunday") +greet2(requiredName: "John", externalParamName: "Sunday") // Function that returns multiple items in a tuple func getGasPrices() -> (Double, Double, Double) { @@ -224,6 +224,16 @@ let (_, price1, _) = pricesTuple // price1 == 3.69 println(price1 == pricesTuple.1) // true println("Gas price: \(price)") +// Named tuple params +func getGasPrices2() -> (lowestPrice: Double, highestPrice: Double, midPrice: Double) { + return (1.77, 37.70, 7.37) +} +let pricesTuple2 = getGasPrices2() +let price2 = pricesTuple2.lowestPrice +let (_, price3, _) = pricesTuple2 +println(pricesTuple2.highestPrice == pricesTuple2.1) // true +println("Highest gas price: \(pricesTuple2.highestPrice)") + // Variadic Args func setup(numbers: Int...) { // its an array @@ -337,6 +347,11 @@ internal class Rect: Shape { } } + // Computed properties must be declared as `var`, you know, cause they can change + var smallestSideLength: Int { + return self.sideLength - 1 + } + // Lazily load a property // subShape remains nil (uninitialized) until getter called lazy var subShape = Rect(sideLength: 4) |