go issue39938 源码
golang issue39938 代码
文件路径：/src/cmd/compile/internal/types2/testdata/fixedbugs/issue39938.go
// Copyright 2020 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
// All but E2 and E5 provide an "indirection" and break infinite expansion of a type.
type E0[P any] []P
type E1[P any] *P
type E2[P any] struct{ _ P }
type E3[P any] struct{ _ *P }
type E5[P any] struct{ _ [10]P }
type T0 struct {
_ E0[T0]
}
type T0_ struct {
E0[T0_]
}
type T1 struct {
_ E1[T1]
}
type T2 /* ERROR illegal cycle */ struct {
_ E2[T2]
}
type T3 struct {
_ E3[T3]
}
type T4 /* ERROR illegal cycle */ [10]E5[T4]
type T5 struct {
_ E0[E2[T5]]
}
type T6 struct {
_ E0[E2[E0[E1[E2[[10]T6]]]]]
}
type T7 struct {
_ E0[[10]E2[E0[E2[E2[T7]]]]]
}
type T8 struct {
_ E0[[]E2[E0[E2[E2[T8]]]]]
}
type T9 /* ERROR illegal cycle */ [10]E2[E5[E2[T9]]]
type T10 [10]E2[E5[E2[func(T10)]]]
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