文件操作 - issue54765.go
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文件: /usr/share/go-1.23/test/typeparam/issue54765.go
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// 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) {}
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