private static void WriteCustomMethodsExamples()
{
Console.WriteLine("Examples of custom methods.");
CustomString str = CustomString.CreateInstance("HeLLo wOrld".ToCharArray());
Console.WriteLine($"{nameof(str)} = CreateInstance(\"{str}\")");
Console.WriteLine($"str.RemoveByPredicate(c => char.IsUpper(c)) => {str.RemoveByPredicate(c => char.IsUpper(c))}");
Console.WriteLine($"str.RemoveByPredicate(c => c == 'L') => {str.RemoveByPredicate(c => c == 'L')}");
Console.WriteLine($"str.ReplaceByDelegate(c => char.ToLower(c)) => {str.ReplaceByDelegate(c => char.ToLower(c))}");
Console.WriteLine($"str.ReplaceByDelegate(c => char.ToLower(c) == 'l' ? '1' : c)) => {str.ReplaceByDelegate(c => char.ToLower(c) == 'l' ? '1' : c)}");
WriteSeparatorStringsAndAwaitMessage();
}
