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// compile -d=checkptr
// 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 main
import (
"sync/atomic"
"unsafe"
)
type Node[T any] struct {
Next *Node[T]
// Prev *Node[T]
}
func LoadPointer[T any](addr **T) (val *T) {
return (*T)(
atomic.LoadPointer(
(*unsafe.Pointer)(unsafe.Pointer(addr)),
))
}
func (q *Node[T]) Pop() {
var tail, head *Node[T]
if head == LoadPointer(&tail) {
}
}
func main() {
ch := Node[uint64]{}
ch.Pop()
}