// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.AspNetCore.Razor.Utilities;
 
namespace Microsoft.AspNetCore.Razor.PooledObjects;
 
internal partial struct PooledArrayBuilder<T>
{
    [NonCopyable]
    public struct Enumerator(in PooledArrayBuilder<T> builder)
    {
        // Enumerate a copy of the original.
        private readonly PooledArrayBuilder<T> _builder = new(builder);
        private int _index = 0;
        private T _current = default!;
 
        public readonly T Current => _current;
 
        public bool MoveNext()
        {
            if (_index >= _builder.Count)
            {
                return false;
            }
 
            _current = _builder[_index];
            _index++;
            return true;
        }
    }
}