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go/test/typeparam/issue51232.go
Robert Findley 28fab5ef21 go/types, types2: disable inference for type instances
Inference for type instances has dependencies on type-checking order
that can lead to subtle bugs. As explained in #51527, disable it for
1.18.

Fixes #51527

Change-Id: I42795bad30ce53abecfc5a4914599ae5a2041a9e
Reviewed-on: https://go-review.googlesource.com/c/go/+/387934
Trust: Robert Findley <rfindley@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-03-07 21:18:15 +00:00

32 lines
702 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 "got 1 arguments"
}
type concreteF[RCT RC[RG], RG any] struct {
makeFn func() Fn[RCT] // ERROR "got 1 arguments"
}
func (c *concreteF[RCT, RG]) Fn() Fn[RCT] { // ERROR "got 1 arguments"
return c.makeFn()
}
func NewConcrete[RCT RC[RG], RG any](Rc RCT) F[RCT] { // ERROR "got 1 arguments"
return &concreteF[RCT]{ // ERROR "cannot use" "got 1 arguments"
makeFn: nil,
}
}