File: noncopyable-captures.swift

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (115 lines) | stat: -rw-r--r-- 2,047 bytes parent folder | download
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
// RUN: %target-swift-emit-ir %s -DIGNORE_FAILS -enable-experimental-feature Embedded -wmo -o /dev/null
// RUN: %target-swift-emit-ir %s -enable-experimental-feature Embedded -wmo -verify

// REQUIRES: OS=macosx || OS=linux-gnu
// REQUIRES: swift_feature_Embedded

struct MyStruct<Item> : ~Copyable {
    var member = "42"

    init() {}
    deinit {}
    mutating func foo() {}
}

var escape: (()->())?

#if !IGNORE_FAILS

public func test() {
    var s = MyStruct<Int>() // expected-error {{capturing generic non-copyable type with deinit in escaping closure not supported in embedded Swift}}
    s.foo()
    escape = {
        s.foo()
    }
}

//

struct Outer: ~Copyable {
  var inner: MyStruct<Int>
}

public func testNested() {
    var s = Outer(inner: MyStruct<Int>()) // expected-error {{capturing generic non-copyable type with deinit in escaping closure not supported in embedded Swift}}
    s.inner.foo()
    escape = {
        s.inner.foo()
    }
}

//

enum E: ~Copyable {
  case A(MyStruct<Int>)
  case B

  mutating func foo() {}
}

public func testEnum() {
    var s = E.A(MyStruct<Int>()) // expected-error {{capturing generic non-copyable type with deinit in escaping closure not supported in embedded Swift}}
    s.foo()
    escape = {
        s.foo()
    }
}

#endif

//

struct StructWithoutDeinit<Item> {
    var member = "42"

    init() {}
    mutating func foo() {}
}

public func testWithoutDeinit() {
    var s = StructWithoutDeinit<Int>()
    s.foo()
    escape = {
        s.foo()
    }
}

//

struct NonCopyableStructWithoutDeinit<Item>: ~Copyable {
    var member = "42"

    init() {}
    mutating func foo() {}
}

public func testNonCopyableWithoutDeinit() {
    var s = NonCopyableStructWithoutDeinit<Int>()
    s.foo()
    escape = {
        s.foo()
    }
}

//

struct NonGenericStruct : ~Copyable {
    var member = "42"

    init() {
    }

    deinit {
    }

    mutating func foo() {
    }
}

public func testNonGeneric() {
    var s = NonGenericStruct()
    s.foo()
    escape = {
        s.foo()
    }
}