| // Copyright 2022 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 pkg |
| |
| type I interface { |
| Foo() |
| } |
| |
| type T1 struct{} |
| |
| func (T1) foo() {} |
| |
| type T2 struct{} |
| |
| func (T2) foo() string { return "" } |
| |
| func _() { |
| var i I |
| _ = i /* ERROR "impossible type assertion: i\.\(T1\)\n\tT1 does not implement I \(missing method Foo\)\n\t\thave foo\(\)\n\t\twant Foo\(\)" */ .(T1) |
| _ = i /* ERROR "impossible type assertion: i\.\(T2\)\n\tT2 does not implement I \(missing method Foo\)\n\t\thave foo\(\) string\n\t\twant Foo\(\)" */ .(T2) |
| } |
