| // -lang=go1.19 | |
| // Copyright 2023 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. | |
| //go:build go1.20 | |
| package p | |
| type I[P any] interface { | |
| ~string | ~int | |
| Error() P | |
| } | |
| func _[P I[string]]() { | |
| var x P | |
| var _ error = x | |
| } |