Option

Table of Contens

Install

Via Git

Via OpenUPM

openupm add com.corby.option

Getting started

Initialize

Option<int> num = new(); // None<int>
Option<int> num = 3.ToSome(); // Some<>(3)
Option<Transform> parent = transform.parent.ToOption(); // Some<> or None 

Return without null

public static Option<Transform> GetParent<T>(this Transform transform)
{
 return transform.parent.ToOption();
}

Unwarpping

var parentName = transform.GetParent().Unwrap() switch
{
 Some<Transform> parent => parent.name,
 None<Transform> => "None"
};

Serialization

[Serializable]
public struct TestStruct
{
 public Option<int> Number;
 public Option<string> Name;
 public Option<Vector3> Position;
}
[Serializable]
public class TestClass
{
 public Option<Sprite> Sprite;
 public Option<List<int>> Numbers;
}
public class TestComponent : MonoBehaviour
{
 public Option<TestStruct> Struct;
 public Option<TestClass> Class;
}