// 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 // As of issue #51527, type-type inference has been disabled. type RC[RG any] interface { ~[]RG } type Fn[RCT RC[RG], RG any] func(RCT) type FFn[RCT RC[RG], RG any] func() Fn /* ERROR "not enough type arguments for type Fn: have 1, want 2" */ [RCT] type F[RCT RC[RG], RG any] interface { Fn() Fn /* ERROR "not enough type arguments for type Fn: have 1, want 2" */ [RCT] } type concreteF[RCT RC[RG], RG any] struct { makeFn FFn /* ERROR "not enough type arguments for type FFn: have 1, want 2" */ [RCT] } func (c *concreteF[RCT, RG]) Fn() Fn /* ERROR "not enough type arguments for type Fn: have 1, want 2" */ [RCT] { return c.makeFn() }