File: protocol_extension_where_clause.swift

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (23 lines) | stat: -rw-r--r-- 732 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
// RUN: %target-typecheck-verify-swift %s

protocol P<T> {
  associatedtype T
}

extension P {
  typealias A = Int
  // expected-note@-1 3{{consider moving 'A' into the definition of protocol 'P'}}
}

protocol Q {
  associatedtype T: P
  associatedtype U: P<T.A>
  // expected-error@-1 {{'A' was defined in extension of protocol 'P' and cannot be referenced from a associated type inheritance clause}}
}

struct S<T: P, U: P<T.A>> {
  // expected-error@-1 {{'A' was defined in extension of protocol 'P' and cannot be referenced from a generic parameter inheritance clause}}

  func f<V>(_: V) where V == T.A {}
  // expected-error@-1 {{'A' was defined in extension of protocol 'P' and cannot be referenced from a 'where' clause}}
}