mirror of
https://github.com/golang/go
synced 2024-11-26 17:26:56 -07:00
28 lines
729 B
Go
28 lines
729 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.
|
||
|
|
|
||
|
|
// Test that not-in-heap types cannot be used as type
|
||
|
|
// arguments. (pointer-to-nih types are okay though.)
|
||
|
|
|
||
|
|
//go:build cgo
|
||
|
|
|
||
|
|
package p
|
||
|
|
|
||
|
|
import (
|
||
|
|
"runtime/cgo"
|
||
|
|
"sync/atomic"
|
||
|
|
)
|
||
|
|
|
||
|
|
var _ atomic.Pointer[cgo.Incomplete] // ERROR "cannot use incomplete \(or unallocatable\) type as a type argument: runtime/cgo\.Incomplete"
|
||
|
|
var _ atomic.Pointer[*cgo.Incomplete] // ok
|
||
|
|
|
||
|
|
func implicit(ptr *cgo.Incomplete) {
|
||
|
|
g(ptr) // ERROR "cannot use incomplete \(or unallocatable\) type as a type argument: runtime/cgo\.Incomplete"
|
||
|
|
g(&ptr) // ok
|
||
|
|
}
|
||
|
|
|
||
|
|
func g[T any](_ *T) {}
|