Cube-Tower-Defense/Assets/Scripts/TurretShopItem.cs

using System;
using UnityEngine;

[Serializable]
public struct TurretShopItem
{
    [SerializeField] private Turret _turretPrefab;
    [SerializeField] private Sprite _icon;
    [SerializeField] private int _price;

    public readonly Turret TurretPrefab => _turretPrefab;
    public readonly Sprite Icon => _icon;
    public readonly int Price => _price;
}