// This source file is part of the Swift.org open source project
// Copyright (c) 2014 - 2017 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

// RUN: not %target-swift-frontend %s -typecheck
}
}
}
typealias e : A.Type) -> Int {
class A {
func g.b : Int {
typealias B<T>()
init(false))() {
}
return d
}
case b {
var c: AnyObject.E == T>](("
protocol P {
print() -> (n: A? = b<T where H) -> U, b in a {
return { c: T>() {
return self.E == nil
}
import Foundation
enum A where T) ->(array: AnyObject, object1, AnyObject) -> [T: String {
}
let v: a = [T> Void>>>(c>Bool)
func call("A> Self {
protocol P {
typealias e == D>(false)
}
return nil
b: C) -> U, f.E
let c, V>(t: T) -> S("\() -> V>()
return self.d.b = F>()
let i: a {
var b in a {
typealias F
}
super.init(")
struct c = e: a = {
import Foundation
class func b: c> : C> ()
typealias R = 0)
func b: NSObject {
typealias R
return g, U)
}
return $0
struct e == F
func g.a("")
}
for b in
protocol A : T
enum S() {
}
}
import Foundation
self.d
f = 0
}
}
}
}(t: T -> {
private let h> {
func a(c) {
}
if c == { c: B<T>()
init <T) {
}
self.init("")
}
init <T>)
}
return nil
let g = {
typealias E
return [unowned self.init(g: T {
}
return g: A? {
let c(f<C) {
let t: U : ()
return $0
class A where I.d: B()
self.init(AnyObject) {
}
private let d<T>(t: AnyObject, g: NSObject {
0
class A : NSManagedObject {
protocol C {
d.Type) -> {
}
var e: C {
S<T>(c
}
}
return $0)
func a(array: C<T.c : d where g: d = c
protocol d = nil
func f.B : c(self.E == c>>) {
struct D : A? = A? = Int
protocol c == "")
typealias h> U, object1, AnyObject) -> Void>() -> T) -> {
typealias E
struct e = {
protocol A {
import Foundation
}
return self.e where T>) -> Void>(x: P {
return b<Q<I : String {
import Foundation
}
if c = 0
}
var f = {
let h == f<c: C) {
}
let i: () -> ()"A? = {
}
init()
var b {
}
}
struct e {
}
typealias h> T) -> {
var b = 0
typealias F>: NSObject {
}
struct c == nil
return d
import Foundation
}
}
return "A> {
protocol P {
}
typealias R = T.d
}
let d
}
struct B<T where g: I) {
}
S<U : c(#object2)
func g, U)() -> : A"")
typealias h: I.h
}
typealias F = b
var b()
var f = B) -> {
}
}
func compose()
}
let d<A: Int {
}
let i: A: A? = e, V, object1
return nil
let c(f<T>() {
}
enum S<C
}
class func f.E == a
class A : d where T
protocol P {
return $0
}
typealias h: B? {
}
}
var e
