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C# Struct

C# structs are lightweight alternatives to classes. Structs do not support inheritance or destructors, and are value typed objects similar to ints bool etc... while classes are reference types. Structs are more memory efficient and and faster than classes.


[ attributes] [access-modifiers] struct identifier [:interface-list {struct members}

struct Dog
 public string name;
 public string weight;
 public int age;

This is a pretty lightweight dog and is pretty useless as a dog (It's can't even bark what fun is that) so I won't make an example.

A good example of a struct would be and something like a point. There may be many many points in a structure or graph and we would want the points to be a lightweight as possible. Since the point object won't have an methods this is a good time to use a struct.

struct Point
    public int x;
    public int y;

    public Point(int x, int y)
        this.x = x;
        this.y = y;

    public Point Add(Point pt)
        Point newPt;

        newPt.x = x + pt.x;
        newPt.y = y + pt.y;

        return newPt;