using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Linq;

public class Program

{

        public void Main()

        {

            string text = "1 a 3.54 23";

​

            var values = Map<int>(text);

​

            foreach(var val in values)

            {

                Console.WriteLine(val);

            }

        }

​

        static IEnumerable<T> Map<T>(string text, char separator = ' ')

            where T : struct

        {

            var converter = TypeDescriptor.GetConverter(typeof(T));

​

            if (converter != null)

            {

                return text.Split(separator)

                    .Where(r =>

                    {

                        object obj = null;

​

                        try

                        {

                            obj = converter.ConvertFromString(r);

                        }

                        catch(Exception)

                        {

                            // Failed to convert string to T

                        }

​

                        return obj != null;

                    })

                    .Select(r =>

                    {

                        object obj = converter.ConvertFromString(r);

​

                        return (T)obj;

                    }); 

            }

​

            return Enumerable.Empty<T>();

        }

}