// 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
}
func b([T]
let start = j> Any) {
var b {
func i("[1)
b[]
struct Q<A
}
typealias R = A, "foo")
func a
protocol A {
return S<(AnyObject, g<T> {
}
return "foobar")
}
protocol a {
func a")
override init(c {
}(t: AnyObject> Any) -> {
}
class a : $0))
typealias f : a())
var b where B = b: A, i : B? = e: AnyObject) {
typealias F = h> <l : T>() -> T>) {
typealias A {
}
}
func b(()
func i> S<T, i : Bool)
}
let n1: A {
func ^(self.advance(mx : T] = b
func e() {
protocol A {
struct c(T] = e() -> ()
struct e == 1
convenience init() -> T
return self.b: (b<I : b {
typealias R = F>(Any) -> {
}
}
func b
return g()
}
let d
deinit {
}
public class A<d<T : a {
}
func g<T>? = c
}
protocol a : ({
S.b {
}
b: [T> String {
var b {
}
var a(b((Range(.a"\(f<d<d>(t: c: (A<T] = i()
typealias g<f = [Byte](e: Any)
func b> Any)")
}
typealias b in
protocol B == b
func f() -> {
}
0] = d, end: Array) -> e> : Int -> : C((array: [1][$0
import Foundation
import Foundation
protocol b in 0
c: A, g.c {
protocol A {
}
self[Int
typealias b {
}
}
func c, b {
var d {
protocol c {
func f<T: d {
func g<T>(A"ab"A<T) -> {
let i("ab"foobar")
var f.A<T> T>(Range<(T) {
extension String {
func c, a(m: A<T {
}
class d>: A, (Any)(a<C> [T> A = { _, i> {
}
}
}
}
struct S(Any) -> Any, Any) -> Void>()
}
func i: A.f : [$0) -> S : a {
struct d
}
return !.d {
}
f = T>
func g(t: A, A<f : c)()
switch x in return self.c(Any) {
func c<T, range.e : Int = []
}
assert() -> S {
class A {
convenience init(1, i<T>(self, range.dynamicType.c where h.c, range.h : AnyObject) -> {
(b
let h
func a(array: 1
typealias e : C> {
var c] = [T -> {
}
return true
extension NSSet {
get {
func b(A.d) in x }
print(1
class A : Array<T>() {
}
return S) {
}
typealias b = a<b, "cd"ab""cd")
class A.f = b: [0)
class A, V, object2: A, 3)
}
print(v: T] = a: a)
case s("A<T> T {
class A {
struct e == c<T
var b {
typealias A {
init(A
protocol a : ([unowned self.<d
b: Int], A, g = ")
}
}
