Extensions.cs

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

namespace twitterWordCloud
{
	public static class Extensions
	{
		// TODO: This is probably painfully slow.
		public static string StripPunctuation(this string s)
		{
			var sb = new StringBuilder();

			foreach (char c in s)
			{
				if (!char.IsPunctuation(c))
				{
					sb.Append(c);
				}
			}

			return sb.ToString();
		}

		/// <summary>
		/// Implements a ForEach for generic enumerators.
		/// </summary>
		public static void ForEach<T>(this IEnumerable<T> collection, Action<T> action)
		{
			foreach (var item in collection)
			{
				action(item);
			}
		}

		/// <summary>
		/// ForEach with an index.
		/// </summary>
		public static void ForEachWithIndex<T>(this IEnumerable<T> collection, Action<T, int> action)
		{
			int n = 0;

			foreach (var item in collection)
			{
				action(item, n++);
			}
		}
	}
}