Produces a sequence of items using a seed value and iteration method. - CSharp System.Collections.Generic

CSharp examples for System.Collections.Generic:IEnumerable

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Description

Produces a sequence of items using a seed value and iteration method.

Demo Code


using System.Reflection;
using System.Linq;
using System.Diagnostics.CodeAnalysis;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System;//w w  w  .j a v  a  2  s . c o  m

public class Main{
        /// <summary>
        /// Produces a sequence of items using a seed value and iteration 
        /// method.
        /// </summary>
        /// <typeparam name="T">The type of the sequence.</typeparam>
        /// <param name="value">The initial value.</param>
        /// <param name="next">The iteration function.</param>
        /// <returns>A sequence of items using a seed value and iteration 
        /// method.</returns>
        [SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode", Justification = "Used by at least one consumer of this class.")]
        public static IEnumerable<T> Iterate<T>(T value, Func<T, T> next)
        {
            do
            {
                yield return value;
                value = next(value);
            }
            while (true);
        }
}

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