golang/test/typeparam/issue51232.go

32 lines
898 B
Go

// errorcheck
// 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
type RC[RG any] interface {
~[]RG
}
type Fn[RCT RC[RG], RG any] func(RCT)
type F[RCT RC[RG], RG any] interface {
Fn() Fn[RCT] // ERROR "not enough type arguments for type Fn: have 1, want 2"
}
type concreteF[RCT RC[RG], RG any] struct {
makeFn func() Fn[RCT] // ERROR "not enough type arguments for type Fn: have 1, want 2"
}
func (c *concreteF[RCT, RG]) Fn() Fn[RCT] { // ERROR "not enough type arguments for type Fn: have 1, want 2"
return c.makeFn()
}
func NewConcrete[RCT RC[RG], RG any](Rc RCT) F[RCT] { // ERROR "not enough type arguments for type F: have 1, want 2"
return &concreteF[RCT]{ // ERROR "cannot use" "not enough type arguments for type concreteF: have 1, want 2"
makeFn: nil,
}
}