问题描述
我的很多问题在这里对SO关注IEquatable实施。我发现它是非常困难的正确实施，因为有很多隐藏的错误在幼稚的，我发现关于它的文章是相当不完整的。我想找到或编写一个明确的参考，其中必须包括：
Many of my questions here on SO concerns IEquatable implementation. I found it being extremely difficult to implement correctly, because there are many hidden bugs in the naïve implementation, and the articles I found about it are quite incomplete. I want to find or write a definitive reference which must include:
- 如何正确实施IEquatable
- 如何重写正确等于
- 如何覆盖GetHash code正确
- 如何正确实现ToString方法
- 如何正确地执行操作==
- 如何！=正确执行操作
这样一个完整的参考已经存在？
Such a complete reference already exists?
PS：偶参考MSDN 似乎有缺陷我
PS: Even MSDN reference seems flawed to me
推荐答案
我终于写了一个样本code，显示实现所有IEquatable相关的方法正确的方法：
I finally wrote a sample code that shows the correct way to implement all IEquatable related methods:
<一个href="http://$c$c.google.com/p/iequatable-implementation-reference/source/browse/IEquatableReference/trunk/IEquatableReference/ValuesClass.cs">http://$c$c.google.com/p/iequatable-implementation-reference/source/browse/IEquatableReference/trunk/IEquatableReference/ValuesClass.cs
这证明了code每行的单元测试有：
The unit tests that justify each line of code are there:
<一个href="http://$c$c.google.com/p/iequatable-implementation-reference/source/browse/IEquatableReference/trunk/IEquatableReferenceTest/ValuesClassTest.cs">http://$c$c.google.com/p/iequatable-implementation-reference/source/browse/IEquatableReference/trunk/IEquatableReferenceTest/ValuesClassTest.cs
我只是不写单元测试GetHash code算术溢出。
I just didn't write a unit test for GetHashCode arithmetic overflow.
这篇关于是否有一个完整的IEquatable实现参考？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！