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
26
27
28
29
30
31
32
|
// RUN: %target-typecheck-verify-swift
class Base {
func foo() {}
}
class Sub: Base {
override func foo() {}
}
func removeOverrides<SomeSub: Sub>(concrete: Sub, generic: SomeSub) {
concrete.foo()
generic.foo()
}
class Base1 {
func foo1(a : Int, b : @escaping () -> ()) {} // expected-note{{potential overridden instance method 'foo1(a:b:)' here}}
func foo2(a : @escaping (Int)->(Int), b : @escaping () -> ()) {} // expected-note{{potential overridden instance method 'foo2(a:b:)' here}}
}
class Sub1 : Base1 {
override func foo1(a : Int, b : () -> ()) {} // expected-error {{method does not override any method from its superclass}} expected-note {{type does not match superclass instance method with type '(Int, @escaping () -> ()) -> ()'}} {{34-34=@escaping }}
override func foo2(a : (Int)->(Int), b : () -> ()) {} // expected-error {{method does not override any method from its superclass}} expected-note{{type does not match superclass instance method with type '(@escaping (Int) -> Int, @escaping () -> ()) -> ()'}} {{25-25=@escaping }} {{43-43=@escaping }}
}
class Base2 {
func foo<T>(a : @escaping (T) -> ()) {} // expected-note{{potential overridden instance method 'foo(a:)' here}}
}
class Sub2 : Base2 {
override func foo<T>(a : (T) -> ()) {} // expected-error {{method does not override any method from its superclass}} expected-note{{type does not match superclass instance method with type '(@escaping (T) -> ()) -> ()'}}{{28-28=@escaping }}
}
|
