Ex, C# - rextester

Language: Layout:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var transformer = new IntTransformer(); // this transformer returns 10 - i for each element
            var input = new int[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
            var result = input.Transform(transformer);
            Console.WriteLine(string.Join(", ", result));
        }
    }
        
    public static class Extensions
    {
        public static TResult[] Transform<TSource, TResult>(this TSource[] source, ITransformer<TSource, TResult> transformer)
        {
            if (source == null || transformer == null)
            {
                throw new ArgumentNullException(nameof(source));
            }

if (source.Length == 0)
            {
                throw new ArgumentException("Array is empty");
            }

var res = Array.ConvertAll(source, new Converter<TSource, TResult>(transformer.Transform));

return res;
        }
    }
    
    public class IntTransformer : ITransformer<int, int>
    {
        public int Transform(int input)
        {
            return 10 - input;
        }
    }

public interface ITransformer<in TSource, out TResult>
    {
        TResult Transform(TSource obj);
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 1.24 sec, absolute running time: 0.36 sec, cpu time: 0.26 sec, memory peak: 38 Mb, absolute service time: 1,75 sec