// Copyright 2021 The Go Authors. All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

package resolution

type List /* =@List */ [E /* =@E */ any] []E // @E

type Pair /* =@Pair */ [L /* =@L */, R /* =@R */ any] struct {

Left /* =@Left */ L // @L

Right /* =@Right */ R // @R

L /* =@Lfield */ int

}

var _ = Pair /* @Pair */ [int, string]{}

type Addable /* =@Addable */ interface {

~int64|~float64

}

func Add /* =@AddDecl */[T /* =@T */ Addable /* @Addable */](l /* =@l */, r /* =@r */ T /* @T */) T /* @T */ {

var t /* =@t */ T /* @T */

return l /* @l */ + r /* @r */ + t /* @t */

}

type Receiver /* =@Receiver */[P /* =@P */ any] struct {}

type RP /* =@RP1 */ struct{}

// TODO(rFindley): make a decision on how/whether to resolve identifiers that

// refer to receiver type parameters, as is the case for the 'P' result

// parameter below.

//

// For now, we ensure that types are not incorrectly resolved when receiver

// type parameters are in scope.

func (r /* =@recv */ Receiver /* @Receiver */ [RP]) m(RP) RP {}

func f /* =@f */[T1 /* =@T1 */ interface{~[]T2 /* @T2 */}, T2 /* =@T2 */ any](

x /* =@x */ T1 /* @T1 */, T1 /* =@T1_duplicate */ y, // Note that this is a bug:

// the duplicate T1 should

// not be allowed.

){

// Note that duplicate short var declarations resolve to their alt declaration.

x /* @x */ := 0

y /* =@y */ := 0

T1 /* @T1 */ := 0

var t1var /* =@t1var */ T1 /* @T1 */

}

// From go.dev/issue/39634

func(*ph1[e, e])h(d)