+++ /dev/null
-// Copyright 2018, 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.md file.
-
-// +build !purego
-
-package value
-
-import (
- "reflect"
- "unsafe"
-)
-
-// Pointer is an opaque typed pointer and is guaranteed to be comparable.
-type Pointer struct {
- p unsafe.Pointer
- t reflect.Type
-}
-
-// PointerOf returns a Pointer from v, which must be a
-// reflect.Ptr, reflect.Slice, or reflect.Map.
-func PointerOf(v reflect.Value) Pointer {
- // The proper representation of a pointer is unsafe.Pointer,
- // which is necessary if the GC ever uses a moving collector.
- return Pointer{unsafe.Pointer(v.Pointer()), v.Type()}
-}
-
-// IsNil reports whether the pointer is nil.
-func (p Pointer) IsNil() bool {
- return p.p == nil
-}
-
-// Uintptr returns the pointer as a uintptr.
-func (p Pointer) Uintptr() uintptr {
- return uintptr(p.p)
-}