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// RUN: %target-swift-frontend -DEMPTY -emit-sil -verify %s
// RUN: %target-swift-frontend -DTRIVIAL -emit-sil -verify %s
// RUN: %target-swift-frontend -DLOADABLE -emit-sil -verify %s
// RUN: %target-swift-frontend -DADDRESS_ONLY -emit-sil -verify %s
// Don't allow whole-value consumption or mutation of a value in its own
// `deinit`, but allow consumption of its individual fields.
struct T1: ~Copyable {
#if EMPTY
#elseif TRIVIAL
var _x: Int
#elseif LOADABLE
var _x: AnyObject
#elseif ADDRESS_ONLY
var _x: Any
#else
#error("pick one")
#endif
deinit {
self.foo() // expected-error{{'self' cannot be consumed during 'deinit'}}
}
consuming func foo() {}
}
struct T2: ~Copyable {
#if EMPTY
#elseif TRIVIAL
var _x: Int
#elseif LOADABLE
var _x: AnyObject
#elseif ADDRESS_ONLY
var _x: Any
#else
#error("pick one")
#endif
deinit {
let myself = self // expected-error{{'self' cannot be consumed during 'deinit'}}
_ = myself
}
}
func consume<T: ~Copyable>(_: consuming T) {}
struct NC<T: ~Copyable>: ~Copyable {
var x: T
}
struct T3: ~Copyable {
#if EMPTY
var _x: NC<()>
#elseif TRIVIAL
var _x: NC<Int>
#elseif LOADABLE
var _x: NC<AnyObject>
#elseif ADDRESS_ONLY
var _x: NC<Any>
#else
#error("pick one")
#endif
// consuming the single field of a one-field type is OK
deinit {
consume(_x)
}
}
struct T4: ~Copyable {
#if EMPTY
#elseif TRIVIAL
var _x: Int
#elseif LOADABLE
var _x: AnyObject
#elseif ADDRESS_ONLY
var _x: Any
#else
#error("pick one")
#endif
// the implicit cleanup of the value is OK
deinit {
}
}
struct T5: ~Copyable {
#if EMPTY
var _x: NC<()>
#elseif TRIVIAL
var _x: NC<Int>
#elseif LOADABLE
var _x: NC<AnyObject>
#elseif ADDRESS_ONLY
var _x: NC<Any>
#else
#error("pick one")
#endif
// the implicit cleanup of the value is OK
deinit {
}
}
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