From Java to C#: A Developer's Guide

26.3. Why use a struct?

Even if you have never heard of structs before reading this chapter, the chances are that you have already used them quite a bit. Simple (or primitive) types in C# are implemented as structs internally. ^[14]

^[14] Your sbyte, short, int, long, byte, ushort, uint, ulong, float, double, decimal, char, and bool types are all internally implemented as structs.

You should choose to use a struct rather than a class for performance reasons. If you are writing a class that:

• represents a small data structure with few data members, ^[15] and

  ^[15] Examples of simple data structures better implemented as structs than classes include a complex number (with only two fields – a real part and an imaginary part), a point of the coordinate ...