source: branches/HeuristicLab.Problems.GrammaticalOptimization/DynamicDataDisplay/Common/Auxiliary/ArrayExtensions.cs @ 13862

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Research.DynamicDataDisplay.Charts;

namespace Microsoft.Research.DynamicDataDisplay.Common.Auxiliary
{
  internal static class ArrayExtensions
  {
    internal static T Last<T>(this T[] array) {
      return array[array.Length - 1];
    }

    internal static T[] CreateArray<T>(int length, T defaultValue)
    {
      T[] res = new T[length];
      for (int i = 0; i < res.Length; i++)
      {
        res[i] = defaultValue;
      }
      return res;
    }

    internal static IEnumerable<Range<T>> GetPairs<T>(this IList<T> array)
    {
      if (array == null)
        throw new ArgumentNullException("array");

      for (int i = 0; i < array.Count - 1; i++)
      {
        yield return new Range<T>(array[i], array[i + 1]);
      }
    }
  }
}