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// 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
func main() {
F[any]()
}
func F[T any]() I[T] {
return (*S1[T])(nil)
}
type I[T any] interface{}
type S1[T any] struct {
*S2[T]
}
type S2[T any] struct {
S3 *S3[T]
}
type S3[T any] struct {
x int
}
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