# Generics. Part 3

## Generic types

In addition to generic functions you can declare your own *generic types* in Jazz.These are custom structures that can work with *any* type, in a similar way to `Array` and `Map`.

This sections shows you how to write a *generic type* `Point` . `Point` usually means two values `x` and `y`.You can use this type in math calculation.

Here’s how to write a nongeneric version of a point in this case for a point of `int` values:

```fsharp
struct Point {
    var x: int;
    var y: int;
    
    init(x: int,y: int) {
        this.x = x;
        this.y = y;
    }
    
    mut fun setX(x: int) {this.x = x;}
    mut fun setY(x: int) {this.y = y;}
}
```

Note how the generic version of `Point` is essentially the same as the nongeneric version, but with a type parameter called `T` instead of an actual type of `int`. This type parameter is written within a pair of angle brackets (`<T>`) immediately after the structure’s name.

```csharp
struct Point<T> {
    var x: T;
    var y: T;
}
```