File: diag_ownership_lazy.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 (18 lines) | stat: -rw-r--r-- 959 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
// RUN: %target-typecheck-verify-swift

class LazyReferenceClass {
  lazy unowned(unsafe) var unsafeSelf = { self }()
  // expected-error@-1 {{lazy properties cannot be 'unowned(unsafe)'}}

  lazy weak var weakValue = LazyReferenceClass()
  // expected-error@-1 {{lazy properties cannot be 'weak'}}
  // expected-warning@-2 {{instance will be immediately deallocated because property 'weakValue' is 'weak'}}
  // expected-note@-3 {{'weakValue' declared here}}
  // expected-note@-4 {{a strong reference is required to prevent the instance from being deallocated}}

  unowned lazy var unownedValue = LazyReferenceClass()
  // expected-error@-1 {{lazy properties cannot be 'unowned'}}
  // expected-warning@-2 {{instance will be immediately deallocated because property 'unownedValue' is 'unowned'}}
  // expected-note@-3 {{'unownedValue' declared here}}
  // expected-note@-4 {{a strong reference is required to prevent the instance from being deallocated}}
}