File: case-match-vars.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 (45 lines) | stat: -rw-r--r-- 1,202 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
// RUN: %empty-directory(%t)
// RUN: %{python} %utils/split_file.py -o %t %s

// RUN: %target-swift-frontend -module-name a -parse-as-library -emit-ir -g %t/Seq.swift %t/A.swift | %FileCheck %s

// This code used to trigger the verifier.
// https://github.com/apple/swift/issues/73338

// BEGIN Seq.swift
struct A<Element: Equatable>: ExpressibleByArrayLiteral, Equatable {
  var base: Element?
  init(arrayLiteral elements: Element...) {}
}
struct B<Element: Equatable>: ExpressibleByArrayLiteral, Equatable {
  var first: Element?
  init(arrayLiteral elements: Element...) {}
}

// BEGIN A.swift
enum E<T: P> {
  case a(A<T.ID>)
  case b(B<T.ID>)
  case c

  static func ==(lhs: Self, rhs: Self) -> Bool {
    switch (lhs, rhs) {
    case (.a([]), .c), (.c, .a([])),
         (.b([]), .c), (.c, .b([])):
      return true
    default:
      return false
    }
  }
}
public protocol P {
  associatedtype ID: Equatable
}

// The [] expressions should be available in the debugger

// CHECK: !DILocalVariable(name: "$_0", {{.+}} line: 9
// CHECK: !DILocalVariable(name: "$_1", {{.+}} line: 9
// CHECK: !DILocalVariable(name: "$_2", {{.+}} line: 8
// CHECK: !DILocalVariable(name: "$_3", {{.+}} line: 8