File: moveonly_copyable_wrapper_capture.swift

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (40 lines) | stat: -rw-r--r-- 1,239 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
// RUN: %target-swift-frontend -emit-sil -verify %s

class Class {}
//struct Class : ~Copyable {}

func consume(_: consuming Class) {}
func nonescapingClosure(_ body: () -> ()) {
    body()
}

func testNonescapingCaptureConsuming(x: consuming Class) { // expected-error{{}}
    nonescapingClosure { consume(x) } // expected-note{{consumed here}}
}

// TODO: `defer` should be allowed to consume local bindings
func testDeferCaptureConsuming(x: consuming Class) { // expected-error{{}}
    defer { consume(x) } // expected-note{{consumed here}}
    do {}
}

func testLocalFunctionCaptureConsuming(x: consuming Class) {
    func local() {
        consume(x) // expected-error{{cannot be consumed when captured by an escaping closure}}
    }
}

func testNonescapingCaptureBorrowing(x: borrowing Class) { // expected-error{{}}
    nonescapingClosure { consume(x) } // expected-note{{consumed here}}
}

func testDeferCaptureBorrowing(x: borrowing Class) { // expected-error{{}}
    defer { consume(x) } // expected-note{{consumed here}}
    do {}
}

func testLocalFunctionCaptureBorrowing(x: borrowing Class) { // expected-error{{borrowed and cannot be consumed}}
    func local() {
        consume(x) // expected-note{{consumed here}}
    }
}