omochimetaru
@swift-5.5.3
protocol Base { func foo() } protocol Derived: Base { func foo() } struct Impl: Derived { @_implements(Base, foo()) func foo1() { print("foo1") } @_implements(Derived, foo()) func foo2() { print("foo2") } } func callBase<T: Base>(_ x: T) { x.foo() } func callDerived<T: Derived>(_ x: T) { x.foo() } callBase(Impl()) callDerived(Impl())
foo1 foo1