Copy array from start to offset - CSharp System

Description

Copy array from start to offset

Demo Code

// Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
using System.Diagnostics;
using System;/* w w w.ja  va  2 s .  c om*/

public class Main{
        internal static T[] Copy<T>(this T[] array, int start, int length)
        {
            // It's ok for 'start' to equal 'array.Length'.  In that case you'll
            // just get an empty array back.
            Debug.Assert(start >= 0);
            Debug.Assert(start <= array.Length);

            if (start + length > array.Length)
            {
                length = array.Length - start;
            }

            T[] newArray = new T[length];
            Array.Copy(array, start, newArray, 0, length);
            return newArray;
        }
}

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