LayerMask.operator LayerMask  

// Converts an integer to a layer and prints the layer name.

var i : int = 0;
var la : LayerMask;
la = i;
Debug.Log(LayerMask.LayerToName(la));

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    public int i = 0;
    public LayerMask la;
    void Example() {
        la = i;
        Debug.Log(LayerMask.LayerToName(la));
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    public i as int = 0

    public la as LayerMask

    def Example():
        la = i
        Debug.Log(LayerMask.LayerToName(la))