using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PaymentLogs.Repositories
{
    internal abstract class Repo<K, V>
    {
        protected Dictionary<K, V> _data = new Dictionary<K, V>();
        public abstract void Load();
        public virtual List<V> All()
        {
            return _data.Values.ToList();
        }
        public virtual V Get(K key) { return _data[key]; }
        public virtual void Update(K key, V value)
        {
            _data[key] = value;
        }
        public abstract void Save();
    }


}