go pointer 源码
golang pointer 代码
文件路径：/src/cmd/compile/internal/types2/pointer.go
// Copyright 2011 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 types2
// A Pointer represents a pointer type.
type Pointer struct {
base Type // element type
}
// NewPointer returns a new pointer type for the given element (base) type.
func NewPointer(elem Type) *Pointer { return &Pointer{base: elem} }
// Elem returns the element type for the given pointer p.
func (p *Pointer) Elem() Type { return p.base }
func (p *Pointer) Underlying() Type { return p }
func (p *Pointer) String() string { return TypeString(p, nil) }
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