| Linux in-mum-web1499.main-hosting.eu 5.14.0-503.40.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Mon May 5 06:06:04 EDT 2025 x86_64 Path : /opt/golang/1.22.0/test/typeparam/ |
| Current File : //opt/golang/1.22.0/test/typeparam/issue47925c.go |
// run
// 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 main
type I[T any] interface {
foo()
}
type J[T any] interface {
foo()
bar()
}
//go:noinline
func f[T J[T]](x T) I[T] {
// contains a cast between two nonempty interfaces
return I[T](J[T](x))
}
type S struct {
x int
}
func (s *S) foo() {}
func (s *S) bar() {}
func main() {
i := f(&S{x: 7})
if i.(*S).x != 7 {
panic("bad")
}
}