File: issue-48296.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 (17 lines) | stat: -rw-r--r-- 585 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
// RUN: %target-typecheck-verify-swift -debug-generic-signatures 2>&1 | %FileCheck %s

// https://github.com/apple/swift/issues/48296

protocol Foo
{
  associatedtype Bar
  var bar: Bar { get }
}

// CHECK: Generic signature: <Self where Self : Collection, Self : Foo, Self.[Foo]Bar : Collection, Self.[Collection]SubSequence == Self.[Foo]Bar.[Collection]SubSequence>
extension Foo where Self: Collection, Bar: Collection, Self.SubSequence == Bar.SubSequence, /*redundant: */Self.Index == Bar.Index {
  subscript(_ bounds: Range<Index>) -> SubSequence
  {
    return bar[bounds]
  }
}