// Copyright (c) Ben A Adams. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

namespace DTLib.Ben.Demystifier.Enumerable;

public struct EnumeratorIList<T> : IEnumerator<T>
{
    private readonly IList<T> _list;
    private int _index;

    public EnumeratorIList(IList<T> list)
    {
        _index = -1;
        _list = list;
    }

    public T Current => _list[_index];

    public bool MoveNext()
    {
        _index++;

        return _index < (_list?.Count ?? 0);
    }

    public void Dispose()
    { }

    object? IEnumerator.Current => Current;

    public void Reset()
    {
        _index = -1;
    }
}