SearchBox/SearchBox/StopwordTester.cs

using System;
using System.Collections.Generic;

namespace LibSearchBox
{
	public class StopwordTester
	{
		private HashSet<string> words = new HashSet<string>();

		public StopwordTester(IEnumerable<string> inWords)
		{
			foreach (string word in inWords)
				words.Add(word);
		}

		public bool IsStopword(string word)
		{
			return words.Contains(word);
		}
	}
}