Source file src/internal/types/testdata/fixedbugs/issue48974.go
1 // Copyright 2021 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package p 6 7 type Fooer interface { 8 Foo() 9 } 10 11 type Fooable[F /* ERROR "instantiation cycle" */ Fooer] struct { 12 ptr F 13 } 14 15 func (f *Fooable[F]) Adapter() *Fooable[*FooerImpl[F]] { 16 return &Fooable[*FooerImpl[F]]{&FooerImpl[F]{}} 17 } 18 19 type FooerImpl[F Fooer] struct { 20 } 21 22 func (fi *FooerImpl[F]) Foo() {} 23