#region License
// /*
// Transformalize - Replicate, Transform, and Denormalize Your Data...
// Copyright (C) 2013 Dale Newman
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// */
#endregion
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
namespace Transformalize.Extensions
{
public static class LinqExtensions
{
public static IEnumerable<IEnumerable<T>> Partition<T>(this IEnumerable<T> source, int size)
{
T[] array = null;
var count = 0;
foreach (var item in source)
{
if (array == null)
{
array = new T[size];
}
array[count] = item;
count++;
if (count == size)
{
yield return new ReadOnlyCollection<T>(array);
array = null;
count = 0;
}
}
if (array != null)
{
Array.Resize(ref array, count);
yield return new ReadOnlyCollection<T>(array);
}
}
}
}