package notmain

var Ssink *string

type U struct {
	_sp  *string
	_spp **string
}

type V struct {
	_u   U
	_up  *U
	_upp **U
}

func (u *U) SP() *string { // ERROR "leaking param: u to result ~r0 level=1$"
	return u._sp
}

func (u *U) SPP() **string { // ERROR "leaking param: u to result ~r0 level=1$"
	return u._spp
}

package notmain

var Ssink *string

type U struct {
	_sp  *string
	_spp **string
}

type V struct {
	_u   U
	_up  *U
	_upp **U
}

func (u U) SP() *string { // ERROR "leaking param: u to result ~r0 level=0$"
	return u._sp
}

func (u U) SPP() **string { // ERROR "leaking param: u to result ~r0 level=0$"
	return u._spp
}

        polymorphicDomainObjectContainer().create(name, type)

    override fun <U : T> create(name: String, type: Class<U>, configuration: Action<in U>): U =
        polymorphicDomainObjectContainer().create(name, type, configuration)

    override fun <U : T> maybeCreate(name: String, type: Class<U>): U =
        polymorphicDomainObjectContainer().maybeCreate(name, type)

	// Output:
	// [meow mew mau]
	// [meow]
}

func ExampleURL() {
	u, err := url.Parse("http://bing.com/search?q=dotnet")
	if err != nil {
		log.Fatal(err)
	}
	u.Scheme = "https"
	u.Host = "google.com"
	q := u.Query()
	q.Set("q", "golang")
	u.RawQuery = q.Encode()
	fmt.Println(u)
	// Output: https://google.com/search?q=golang
}

func ExampleURL_roundtrip() {

	"testing"
)

type (
	S struct{}
	U struct{}

	I interface {
		F()
	}
)

var (
	s *S
	u *U
)

func (s *S) F() {}
func (u *U) F() {}

func e2t_ssa(e interface{}) *U {
	return e.(*U)
}

func i2t_ssa(i I) *U {
	return i.(*U)
}

func testAssertE2TOk(t *testing.T) {
	if got := e2t_ssa(u); got != u {
		t.Errorf("e2t_ssa(u)=%v want %v", got, u)
	}
}

    }

    protected abstract <U extends T> U doCreate(String name, Class<U> type);

    @Override
    public <U extends T> U create(String name, Class<U> type) {
        assertMutable("create(String, Class)");
        return create(name, type, null);
    }

    @Override
    public <U extends T> U maybeCreate(String name, Class<U> type) throws InvalidUserDataException {
        T item = findByName(name);

}

func mul(u, v *rat) *rat {
	g1 := gcd(u.num, v.den)
	g2 := gcd(u.den, v.num)
	r := new(rat)
	r.num = (u.num / g1) * (v.num / g2)
	r.den = (u.den / g2) * (v.den / g1)
	return r
}

func neg(u *rat) *rat {
	return i2tor(-u.num, u.den)
}

func sub(u, v *rat) *rat {
	return add(u, neg(v))
}

func inv(u *rat) *rat { // invert a rat
	if u.num == 0 {

	"func F[T any]() { F[interface{ t() T }]() }",
	"type U[_ any] int; func F[T any]() { F[U[T]]() }",
	"func F[T any]() { type U int; F[U]() }",
	"func F[T any]() { type U int; F[*U]() }",
	"type U[T any] int; func (U[T]) m() { var _ U[*T] }",
	"type U[T any] int; func (*U[T]) m() { var _ U[*T] }",
	"type U[T1 any] [unsafe.Sizeof(F[*T1])]byte; func F[T2 any]() { var _ U[T2] }",
	"func F[A, B, C, D, E any]() { F[B, C, D, E, *A]() }",

  avatarUrl: https://avatars.githubusercontent.com/u/1326112?u=740f11212a731f56798f558ceddb0bd07642afa7&v=4
  url: https://github.com/tiangolo
experts:
- login: Kludex
  count: 608
  avatarUrl: https://avatars.githubusercontent.com/u/7353520?u=62adc405ef418f4b6c8caa93d3eb8ab107bc4927&v=4
  url: https://github.com/Kludex
- login: dmontagu
  count: 241
  avatarUrl: https://avatars.githubusercontent.com/u/35119617?u=540f30c937a6450812628b9592a1dfe91bbe148e&v=4

        @Override
        public <U> Try<U> flatMap(Function<? super T, Try<U>> f) {
            return (Try<U>) this;
        }

        @SuppressWarnings("unchecked")
        @Override
        public <U> Try<U> map(Function<? super T, U> f) {
            return (Try<U>) this;
        }

        @SuppressWarnings("unchecked")
        @Override
        public <U> Try<U> tryMap(Function<? super T, U> f) {