File: diag_get_vs_set_subscripts.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 (25 lines) | stat: -rw-r--r-- 730 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
 
// RUN: %target-typecheck-verify-swift

// https://github.com/apple/swift/issues/48727
do {
  enum Key: Int {
    case aKey
    case anotherKey // expected-note {{'anotherKey' declared here}}
  }

  class C {
    var dict: [Key: String] = [:]
    func what() -> Void {
      dict[.notAKey] = "something" // expected-error {{type 'Key' has no member 'notAKey'; did you mean 'anotherKey'?}}
    }

    subscript(i: Int) -> Int { get {} }

    subscript(j: Double) -> Double { get {} set {} }
  }

  let c = C()
  let one: Int = 1
  // Should choose the settable subscript to find a problem with, not the get-only subscript
  c[one] = 2.5 // expected-error {{cannot convert value of type 'Int' to expected argument type 'Double'}}
}