// 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
enum S: P {
func f<T>() -> T -> T {
return { -> T
}
class A {
class func a() -> String {
struct c {
static let d: String = {
eturn self.a()
}()
b {A {
}
}
func b<e>(e : e) -> c {  e
}
protoa : a {
}
func e<l {
enum e {
func p() { p
f> {
}
func f Boolean>(b: T) {
}
f(   func b(b: X.Type) {
enum S<T> : P {
func f<T>() -> T {
}
}
protocol P {
}
func b<d-> d { class d:b class b
enum S<T> : P {
}
}
}
private class B<C> {
init(c: C) {
}
}
struct d<f : e, g: e where g.h == f.h> {
var e: Int -> Int = {
let d: Int =  { c, b in
}(f, e)
