golang issue52698 代码
文件路径：/src/go/types/testdata/fixedbugs/issue52698.go
/ 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 p
/ sanity check
type T[P any] struct {
_ P
}
type S /* ERROR illegal cycle */ struct {
_ T[S]
}
/ simplified test
var _ B[A]
type A struct {
_ B[string]
}
type B[P any] struct {
_ C[P]
}
type C[P any] struct {
_ P
}
/ test case from issue
type T23 interface {
~struct {
Field0 T13[T15]
}
}
type T1[P1 interface {
}] struct {
Field2 P1
}
type T13[P2 interface {
}] struct {
Field2 T1[P2]
}
type T15 struct {
Field0 T13[string]
}