1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
// RUN: %target-swift-emit-sil -verify %s
// RUN: %target-swift-frontend -emit-sil -verify %s
struct Block {}
class Story {
final var finalStored = [Block]()
var overridableStored = [Block]()
var computed: [Block] {
get { return [] }
set {}
}
func test() {
// expected-error@+2 {{overlapping accesses to 'finalStored', but modification requires exclusive access; consider calling MutableCollection.swapAt(_:_:)}}
// expected-note@+1 {{conflicting access is here}}
swap(&self.finalStored[0], &self.finalStored[1])
swap(&self.overridableStored[0], &self.overridableStored[1])
swap(&self.computed[0], &self.computed[1]) // expected-error{{invalid aliasing}} expected-note{{concurrent writeback}}
}
}
protocol Storied {
var protocolRequirement: [Block] { get set }
}
func testProtocol<T: Storied>(x: inout T) {
// expected-error@+2 {{overlapping accesses to 'x', but modification requires exclusive access; consider calling MutableCollection.swapAt(_:_:)}}
// expected-note@+1 {{conflicting access is here}}
swap(&x.protocolRequirement[0], &x.protocolRequirement[1])
}
|
