RequiredMemberAttribute

Description

When a type is marked, all of it's members with [RequiredMember] will be marked.

using System;
using UnityEngine;
using UnityEngine.Scripting;

public class NewBehaviourScript : MonoBehaviour
{
    void Start()
    {
        new UsedFoo();
    }
}

class UsedFoo
{
    // Will survive managed code stripping because UsedFoo is used
    [RequiredMember]
    public int Field;

    // Will survive managed code stripping because UsedFoo is used
    [RequiredMember]
    public void Method()
    {
    }

    // The property, property getter method, and property setter method will survive managed code stripping because UsedFoo is used
    [RequiredMember]
    public int Property1 { get; set; }

    // The property and property getter method will survive managed code stripping because UsedFoo is used
    public int Property2 { [RequiredMember] get; set; }

    // The property and property setter method will survive managed code stripping because UsedFoo is used
    public int Property3 { get; [RequiredMember] set; }

    // The event, the add method, and the remove method will survive managed code stripping because UsedFoo is used
    [RequiredMember]
    public event EventHandler Event;
}

class UnusedFoo
{
    // Will not survive stripping because UnusedFoo is not used
    [RequiredMember]
    public int Field;

    // Will not survive stripping because UnusedFoo is not used
    [RequiredMember]
    public void Method()
    {
    }

    // Will not survive stripping because UnusedFoo is not used
    [RequiredMember]
    public int Property { get; set; }

    // Will not survive stripping because UnusedFoo is not used
    [RequiredMember]
    public event EventHandler Event;
}