import Swift

@_silgen_name("public_func") public func public_func<T>() -> T?


sil public_external @impl_func : $@convention(thin) <T> () -> @out Optional<T>

sil shared [serialized] @shared_func : $@convention(thin) <T> () -> @out Optional<T> {
bb0(%0 : $*Optional<T>):
  %1 = function_ref @impl_func : $@convention(thin) <τ_0_0> () -> @out Optional<τ_0_0> // user: %2
  %2 = apply %1<T>(%0) : $@convention(thin) <τ_0_0> () -> @out Optional<τ_0_0>
  %3 = tuple ()                                   // user: %4
  return %3 : $()                                 // id: %4
}

sil public [serialized] @public_func : $@convention(thin) <T> () -> @out Optional<T> {
bb0(%0 : $*Optional<T>):
  %1 = function_ref @shared_func : $@convention(thin) <τ_0_0> () -> @out Optional<τ_0_0> // user: %2
  %2 = apply %1<T>(%0) : $@convention(thin) <τ_0_0> () -> @out Optional<τ_0_0>
  %3 = tuple ()                                   // user: %4
  return %3 : $()                                 // id: %4
}