mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
21 lines
955 B
Swift
21 lines
955 B
Swift
// RUN: %target-typecheck-verify-swift -warn-redundant-requirements
|
|
// RUN: %target-swift-frontend -typecheck -debug-generic-signatures %s -warn-redundant-requirements 2>&1 | %FileCheck %s
|
|
|
|
protocol P1 {
|
|
associatedtype A : P2
|
|
}
|
|
|
|
protocol P2 {
|
|
associatedtype A
|
|
}
|
|
|
|
// CHECK: Generic signature: <T, U where T : P2, T == U.[P2]A.[P1]A, U == T.[P2]A.[P1]A, T.[P2]A : P1, U.[P2]A : P1>
|
|
func testTU<T : P2, U : P2>(_: T, _: U) where T.A : P1, T.A.A == U, U.A : P1, U.A.A == T {}
|
|
// expected-warning@-1 {{redundant conformance constraint 'U' : 'P2'}}
|
|
|
|
// CHECK: Generic signature: <T, U where T == U.[P2]A.[P1]A, U : P2, U == T.[P2]A.[P1]A, T.[P2]A : P1, U.[P2]A : P1>
|
|
func testU<T, U : P2>(_: T, _: U) where T.A : P1, T.A.A == U, U.A : P1, U.A.A == T {}
|
|
|
|
// CHECK: Generic signature: <T, U where T : P2, T == U.[P2]A.[P1]A, U == T.[P2]A.[P1]A, T.[P2]A : P1, U.[P2]A : P1>
|
|
func testT<T : P2, U>(_: T, _: U) where T.A : P1, T.A.A == U, U.A : P1, U.A.A == T {}
|