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open class Empty {}
open class TwoInts {
open var x, y : Int
required public init(a : Int, b : Int) {
x = a
y = b
}
}
open class ComputedProperty {
open var value : Int {
get {
var result = 0
return result
}
set(newVal) {
// completely ignore it!
}
}
open var readOnly : Int {
return 42
}
public init() {}
}
// Generics
open class Pair<A, B> {
open var first : A
open var second : B
public init(a : A, b : B) {
first = a
second = b
}
}
open class GenericCtor<U> {
public init<T>(_ t : T) {}
open func doSomething<T>(_ t : T) {}
}
// Protocols
public protocol Resettable {
func reset()
}
public extension Resettable {
func doReset() { self.reset() }
}
open class ResettableIntWrapper : Resettable {
open var value : Int
public init() { value = 0 }
open func reset() {
var zero = 0
value = zero
}
}
public protocol Computable {
func compute()
}
public typealias Cacheable = Resettable & Computable
public protocol SpecialResettable : Resettable, Computable {}
public protocol PairLike {
associatedtype FirstType
associatedtype SecondType
func getFirst() -> FirstType
func getSecond() -> SecondType
}
public extension PairLike where FirstType : Cacheable {
func cacheFirst() { }
}
public protocol ClassProto : class {}
@objc public protocol ObjCProtoWithOptional {
@objc optional func optionalMethod()
@objc optional var optionalVar: Int { get }
@objc optional subscript (i: Int) -> Int { get }
}
open class OptionalImplementer : ObjCProtoWithOptional {
open func unrelated() {}
public init() {}
}
// Inheritance
open class StillEmpty : Empty, Resettable {
open func reset() {}
public override init() {}
}
open class BoolPair<T> : Pair<Bool, Bool>, PairLike {
public init() { super.init(a: false, b: false) }
open func bothTrue() -> Bool {
return first && second
}
open func getFirst() -> Bool { return first }
open func getSecond() -> Bool { return second }
}
open class SpecialPair<A> : Pair<Int, Int>, Computable {
open func compute() {}
}
open class OtherPair<A, B> : PairLike {
open var first : A
open var second : B
public init(a : A, b : B) {
first = a
second = b
}
public typealias FirstType = Bool
public typealias SecondType = Bool
open func getFirst() -> Bool { return true }
open func getSecond() -> Bool { return true }
}
open class OtherBoolPair<T> : OtherPair<Bool, Bool> {
}
open class RequiresPairLike<P : PairLike> { }
public func getReqPairLike() -> RequiresPairLike<OtherBoolPair<Bool>> {
return RequiresPairLike<OtherBoolPair<Bool>>()
}
// Subscripts
open class ReadonlySimpleSubscript {
open subscript(x : Int) -> Bool {
return true
}
public init() {}
}
open class ComplexSubscript {
open subscript(x : Int, y : Bool) -> Int {
set(newValue) {
// do nothing!
}
get {
return 0
}
}
public init() {}
}
// Destructor
open class Resource {
public init() { }
deinit {}
}
// Ownership
open class ResourceSharer {
// FIXME: Cannot perform in-class initialization here
open unowned var alwaysPresent : Resource
open weak var maybePresent : Resource?
public init (res: Resource) {
self.alwaysPresent = res
self.maybePresent = nil
}
}
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