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// main.swift
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
// -----------------------------------------------------------------------------
struct S {
var a : Int = 12
var b : String = "Hello world"
}
func getSome<T> (_ x : T) -> T?
{
return x
}
func getUncheckedSome<T>(_ x : T) -> T!
{
return x
}
func main() {
var optS_Some = getSome(S())
var uoptS_Some = getUncheckedSome(S())
var optString_Some = getSome("hello")
var uoptString_Some = getUncheckedSome("hello")
var optS_None : S? = nil
var uoptS_None : S! = nil
var optString_None : String? = nil
var uoptString_None : String! = nil
var optTrue: Bool? = true
var optFalse: Bool? = false
var optNil: Bool? = nil
print("//Set breakpoint here") // Set breakpoint here
}
main()
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