go issue49005 源码

  • 2022-07-15
  • 浏览 (505)

golang issue49005 代码


// 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 p

type T1 interface{ M() }

func F1() T1

var _ = F1().(*X1 /* ERROR undeclared name: X1 */)

func _() {
	switch F1().(type) {
	case *X1 /* ERROR undeclared name: X1 */ :

type T2 interface{ M() }

func F2() T2

var _ = F2 /* ERROR impossible type assertion: F2\(\)\.\(\*X2\)\n\t\*X2 does not implement T2 \(missing method M\) */ ().(*X2)

type X2 struct{}

func _() {
	switch F2().(type) {
	case * /* ERROR impossible type switch case: \*X2\n\tF2\(\) \(value of type T2\) cannot have dynamic type \*X2 \(missing method M\) */ X2:


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