| // -lang=go1.21 |
| |
| // Copyright 2024 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. |
| |
| // Note: Downgrading to go1.13 requires at least go1.21, |
| // hence the need for -lang=go1.21 at the top. |
| |
| //go:build go1.13 |
| |
| package p |
| |
| import "io" |
| |
| // A "duplicate method" error should be reported for |
| // all these interfaces, irrespective of which package |
| // the embedded Reader is coming from. |
| |
| type _ interface { |
| Reader |
| Reader // ERROR "duplicate method `Read'" |
| } |
| |
| type Reader interface { |
| Read(p []byte) (n int, err error) |
| } |
| |
| type _ interface { |
| io.Reader |
| Reader // ERROR "duplicate method `Read'" |
| } |
| |
| type _ interface { |
| io.Reader |
| io /* ERROR "duplicate method `Read'" */ .Reader |
| } |
