C＃中，结构类VS更快？ [英] C#, struct vs class, faster?
问题描述
可能重复：结果
的哪一个最适合的数据存储结构/类？
考虑在那里我有一样的年龄，姓名，性别，职务，薪水属性Employee对象的例子。我现在有一个名单，我想带着一帮员工（每个Employee实例是唯一的）来填充。
Consider the example where I have an Employee object with attributes like age, name, gender, title, salary. I now have a list i want to populate with a bunch of Employees (each Employee instance is unique).
在刚刚的速度和内存占用方面，是更可取创建员工为结构或类？
In terms of just speed and memory footprint, is it more preferable to create the employee as a Struct or a Class?
欢迎关于结构体VS类在上述情况下的任何额外的警告
Any additional caveats regarding Struct vs Class in the above scenario are welcome
推荐答案
结构是仅被用于应该具有的价值类似的行为相对小的结构。
Structs are to be used only for relatively small structures that should have value-like behaviour.
- Class and struct differences
- Choosing Between Classes and Structures
除非类型有以下所有
特性不要定义一个结构：
- 这在逻辑上代表一个值，类似于原始类型
（整数，双，等）。 - 它有一个实例大小超过
较小的16个字节。 - 这是不可改变的。
- 它不会有要经常装箱。
- It logically represents a single value, similar to primitive types (integer, double, and so on).
- It has an instance size smaller than 16 bytes.
- It is immutable.
- It will not have to be boxed frequently.
您类型打破了前两个指导方针，以及可能还有第三个。所以，你一定要在这里使用的类。
Your type breaks the first two guidelines, and probably also the third. So you should definitely use a class here.
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