test/api-digester/Inputs/cake1.swift

import APINotesTest

public struct S1 {
  public init(_ : Int) {}
  public func foo1() {}
  mutating public func foo2() {}
  public func foo3() {}
  public func foo4() -> Void {}
  public func foo5(x : Int, y: Int) {}
}

public class C1 {
  public class func foo1() {}
  public func foo2(_ : Int) {}
  public weak var CIIns1 : C1?
  public var CIIns2 : C1?
  public func foo3(a : Void?) {}
  public func foo4(a : Void?) {}
}

public class C3 {}

public struct Somestruct2 {
  public init(_ : C1) {}
  public static func foo1(_ a : C3) {}
}

public class C4: OldType {
  public func foo() {}
}

@objc
public class C5 {
  @objc
  public func dy_foo() {}
}

public struct C6 {}

@_frozen
public enum IceKind {}

public protocol P1 {}

public protocol P2 {}

public extension P1 where Self: P2 {
  func P1Constraint() {}
}

@_fixed_layout
public struct fixedLayoutStruct {
  public var b = 2
  public func foo() {}
  public var a = 1
}

@_frozen
public enum FrozenKind {
  case Unchanged
  case Fixed
  case Rigid
}

public class C7 {
  public func foo(_ a: Int = 1, _ b: Int = 2) {}
}

public protocol P3: P2, P1 {}

extension fixedLayoutStruct: P1 {}