Vector3.operator ==

Description

Returns true if two vectors are approximately equal.

To allow for floating point inaccuracies, the two vectors are considered equal if the magnitude of their difference is less than 1e-5.

Additional resources: Equals

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    public Transform other;

    void Example()
    {
        if (other && transform.position == other.position)
        {
            print("I'm at the same place as the other transform!");
        }
    }
}