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|
// RUN: %target-typecheck-verify-swift \
// RUN: -verify-additional-prefix enabled- \
// RUN: -enable-experimental-feature CoroutineAccessors \
// RUN: -debug-diagnostic-names
// REQUIRES: swift_feature_CoroutineAccessors
// A read requirement may be satisfied by
// - a stored property
// - a _read accessor
// - a read accessor
// - a get accessor
// - an unsafeAddress accessor
struct U : ~Copyable {}
protocol P : ~Copyable {
@_borrowed
var ubgs: U { get set }
var urs: U { read set }
var ur: U { read }
}
struct ImplStored : ~Copyable & P {
var ubgs: U
var urs: U
var ur: U
}
struct ImplUnderscoredCoroutineAccessors : ~Copyable & P {
typealias Property = U
var _i: U
var ubgs: U {
_read {
yield _i
}
_modify {
yield &_i
}
}
var urs: U {
_read {
yield _i
}
_modify {
yield &_i
}
}
var ur: U {
_read {
yield _i
}
}
}
struct ImplCoroutineAccessors : ~Copyable & P {
var _i: U
var ubgs: U {
read {
yield _i
}
modify {
yield &_i
}
}
var urs: U {
read {
yield _i
}
modify {
yield &_i
}
}
var ur: U {
read {
yield _i
}
}
}
struct ImplGetSet : P {
var _i: U {
get { return U() }
set {}
}
var ubgs: U {
get {
return _i
}
set {
_i = newValue
}
}
var urs: U {
get {
return _i
}
set {
_i = newValue
}
}
var ur: U {
get {
return _i
}
set {
_i = newValue
}
}
}
struct ImplUnsafeAddressors : P {
var iAddr: UnsafePointer<U>
var iMutableAddr: UnsafeMutablePointer<U> {
.init(mutating: iAddr)
}
var ubgs: U {
unsafeAddress {
return iAddr
}
unsafeMutableAddress {
return iMutableAddr
}
}
var urs: U {
unsafeAddress {
return iAddr
}
unsafeMutableAddress {
return iMutableAddr
}
}
var ur: U {
unsafeAddress {
return iAddr
}
unsafeMutableAddress {
return iMutableAddr
}
}
}
|
