src/test/swift/com/sleekbyte/tailor/grammar/Generics.swift
func swapTwoInts(_ a: inout Int, _ b: inout Int) {
let temporaryA = a
a = b
b = temporaryA
}
func swapTwoStrings(_ a: inout String, _ b: inout String) {
let temporaryA = a
a = b
b = temporaryA
}
func swapTwoDoubles(_ a: inout Double, _ b: inout Double) {
let temporaryA = a
a = b
b = temporaryA
}
struct Stack<T> {
var items = [T]()
mutating func push(item: T) {
items.append(item)
}
mutating func pop() -> T {
return items.removeLast()
}
}
var stackOfStrings = Stack<String>()
stackOfStrings.push("uno")
stackOfStrings.push("dos")
extension Stack {
var topItem: T? {
return items.isEmpty ? nil : items[items.count - 1]
}
}
func someFunction<T: SomeClass, U: SomeProtocol>(someT: T, someU: U) {
// function body goes here
}
func findIndex<T: Equatable>(array: [T], _ valueToFind: T) -> Int? {
for (index, value) in array.enumerate() {
if value == valueToFind {
return index
}
}
return nil
}
struct Stack<T>: Container {
// original Stack<T> implementation
var items = [T]()
mutating func push(item: T) {
items.append(item)
}
mutating func pop() -> T {
return items.removeLast()
}
// conformance to the Container protocol
mutating func append(item: T) {
self.push(item)
}
var count: Int {
return items.count
}
subscript(i: Int) -> T {
return items[i]
}
}
func allItemsMatch<
C1: Container, C2: Container>
(someContainer: C1, _ anotherContainer: C2) -> Bool
where C1.ItemType == C2.ItemType, C1.ItemType: Equatable {
// check that both containers contain the same number of items
if someContainer.count != anotherContainer.count {
return false
}
// check each pair of items to see if they are equivalent
for i in 0..<someContainer.count {
if someContainer[i] != anotherContainer[i] {
return false
}
}
// all items match, so return true
return true
}
func blendFrameDstBytes(dstBytes: Array<UnsafeMutablePointer<UInt8>>,
srcBytes: Array<UnsafeMutablePointer<UInt8>>,
blendOP: UInt8,
offsetX: UInt32,
offsetY: UInt32,
width: UInt32,
height: UInt32) {
}
typealias StringDictionary<T> = Dictionary<String, T>
typealias DictionaryOfStrings<T : Hashable> = Dictionary<T, String>
typealias IntFunction<T> = (T) -> Int
typealias Vec3<T> = (T, T, T)
typealias BackwardTriple<T1,T2,T3> = (T3, T2, T1)