File: 0203-issue-53545.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-- 750 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: not %target-swift-frontend -typecheck %s

// https://github.com/apple/swift/issues/53545

enum S<Value> {
  @propertyWrapper 
  private struct A {
    var s:UInt = 0
    var wrappedValue:Value { didSet { } }
  
    init(wrappedValue:Value) { self.wrappedValue = wrappedValue }
  }
    
  @propertyWrapper 
  final class B {
    @A 
    var wrappedValue:Value 
    
    var projectedValue:S<Value>.B  
    {
      self
    }
    
    init(wrappedValue:Value) 
    {
      self.wrappedValue = wrappedValue
    }
  }
    
  @propertyWrapper 
  struct O {
    private  var s:UInt? = nil 
    @B private(set) var wrappedValue:Value 
    
    var a:Bool 
    {
      self.s.map{ $0 != self.$wrappedValue.wrappedValue.sequence } ?? true
    }
  }
}