File: witness_derived_other_conformance.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-- 413 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

protocol P {
  func hash(into: inout Hasher)
}

// P.hash(into:) is witnessed by the S.hash(into:) that is synthesized
// for the Hashable conformance.
struct S: P, Hashable {}

struct G<T> {}

extension G: Equatable where T: Equatable {}
extension G: Hashable where T: Hashable {}

// Same here, but the conformance is conditional.
extension G: P where T: P & Hashable {}