有没有指针在​​C＃中像C ++？是否安全？ [英] Is there pointer in C# like C++? Is it safe?

问题描述

我正在写一棵树的数据结构工作的应用程序。我用C ++写它，现在我想用C＃写。我用指针实现树状数据结构。有没有在C＃中太指针？它是安全使用呢？

I'm writing an application that work with a tree data structure. I've written it with C++, now i want to write it by C#. I use pointers for implementing the tree data structure. Is there a pointer in C# too? Is it safe to use it?

推荐答案

如果您正在实施在C＃中的树状结构（或Java，或许多其他语言）你会使用引用来代替指针。 NB。在C ++中是不一样的，因为这些参考文献引用。

If you're implementing a tree structure in C# (or Java, or many other languages) you'd use references instead of pointers. NB. references in C++ are not the same as these references.

的用法类似于大部分指针，但也有像垃圾收集优点

The usage is similar to pointers for the most part, but there are advantages like garbage collection.

class TreeNode
{
    private TreeNode parent, firstChild, nextSibling;

    public InsertChild(TreeNode newChild)
    {
        newChild.parent = this;
        newChild.nextSibling = firstChild;
        firstChild = newChild;
    }
}

var root = new TreeNode();
var child1 = new TreeNode();
root.InsertChild(child1);

兴趣点：

Points of interest:

• 不需要用 * 声明成员时，


• 没有必要将它们设置为null在修改的类型构造函数（他们已经为空）


• 无特殊 - > 运营商成员访问

<李>无需编写析构函数（尽管查找的IDisposable ）

• No need to modify the type with * when declaring the members
• No need to set them to null in a constructor (they're already null)
• No special -> operator for member access
• No need to write a destructor (although look up IDisposable)

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