Why does extension A: A.Nested.Doable (last line) cause a circular reference in the following Swift 5.10 code?
class Parent1 {
}
class Parent2 {
}
class A: Parent1 {
}
extension A { class Nested: Parent2 {
} }
extension A.Nested { protocol Doable {
} }
extension A: A.Nested.Doable {
}
If don't make A.Nested inherit from anything, then no circular reference is found in the code by Xcode.
Xcode 15.3, MacBook Air M1 8GB, macOS Sonoma 14.4.1.
If it helps, it compiles when you put class A together without adding the protocol conformance via extension:
class A: Parent1, A.Nested.Doable {
class Nested: Parent2 {
protocol Doable {
}
}
}