using System;
using System.Collections;
using System.Collections.Generic;

namespace Chernobyl.Collections.Generic
{
    /// <summary>
    /// Converts an <see cref="IEnumerator{T}"/> type to an <see cref="IEnumerable{T}"/>.
    /// </summary>
    public class EnumeratorEnumerable<T> : IEnumerable<T>
    {
        /// <inheritdoc />
        public EnumeratorEnumerable(Func<IEnumerator<T>> create) => _create = create;

        /// <inheritdoc />
        public IEnumerator<T> GetEnumerator() => _create();

        /// <inheritdoc />
        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();

        readonly Func<IEnumerator<T>> _create;
    }
}