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// RUN: %target-typecheck-verify-swift -enable-experimental-feature LifetimeDependence
// REQUIRES: swift_feature_LifetimeDependence
struct BufferView : ~Escapable, ~Copyable {
let ptr: UnsafeRawBufferPointer?
let c: Int
@lifetime(borrow ptr)
init(_ ptr: UnsafeRawBufferPointer?, _ c: Int) {
self.ptr = ptr
self.c = c
}
}
struct ImplicitInit1 : ~Escapable { // expected-error{{cannot infer lifetime dependence on implicit initializer, no parameters found that are either ~Escapable or Escapable with a borrowing ownership}}
let ptr: UnsafeRawBufferPointer
}
struct ImplicitInit2 : ~Escapable, ~Copyable {
let mbv: BufferView
}
struct ImplicitInit3 : ~Escapable, ~Copyable { // expected-error{{cannot infer lifetime dependence on implicit initializer, multiple parameters qualifiy as a candidate}}
let mbv1: BufferView
let mbv2: BufferView
}
func foo1() -> BufferView { // expected-error{{cannot infer lifetime dependence, no parameters found that are either ~Escapable or Escapable with a borrowing ownership}}
return BufferView(nil, 0)
}
func foo2(_ i: borrowing Int) -> BufferView { // expected-error{{cannot infer lifetime dependence, no parameters found that are either ~Escapable or Escapable with a borrowing ownership}}
return BufferView(nil, 0)
}
func foo3<T: BitwiseCopyable>(arg: borrowing T) -> BufferView { // expected-error{{cannot infer lifetime dependence, no parameters found that are either ~Escapable or Escapable with a borrowing ownership}}
return BufferView(nil, 0)
}
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