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//Title of this code
//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;

namespace Rextester
{
    public class Program
    {
        private static IEnumerable<T> SkipExceptions<T>(
            IEnumerable<T> values)
        {
            using (var enumerator = values.GetEnumerator())
            {
                var next = true;
                while (next)
                {
                    try
                    {
                        next = enumerator.MoveNext();
                    }
                    catch(Exception ex)
                    {
                        continue;
                    }

if (next) yield return enumerator.Current;
                }
            }
        }
    
        private static int OneIsBadMethod(int i)
        {
            if (i == 1)
            {
                throw new Exception("one is bad");
            }
            return i;
        }

private static IEnumerable<int> OneIsBadForeach(IEnumerable<int> i)
        {
            foreach (var i1 in i)
            {
                yield return OneIsBadMethod(i1);
            }
        }

private static IEnumerable<int> OneIsBadSelect(IEnumerable<int> i)
        {
            return i.Select(OneIsBadMethod);
        }
        
        public static void Main(string[] args)
        {
            var ints = new[]{0, 1, 2, 3};
            var countForeach = SkipExceptions(OneIsBadForeach(ints)).Count();
            var countSelect = SkipExceptions(OneIsBadSelect(ints)).Count();
            
            Console.WriteLine("count with foreach: " + countForeach);
            Console.WriteLine("count with select: " + countSelect);
       }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0.19 sec, absolute running time: 0.14 sec, cpu time: 0.11 sec, average memory usage: 16 Mb, average nr of threads: 4