An example of verbatim identifiers in C#

gistfile1.cs

protected T LoadFromConfigOrDefault<T>(Func<T> @default = null)
{
    @default = @default ?? (() => (T)Activator.CreateInstance(typeof(T)));
    string configKey = ConfigKeyFromType(typeof(T));
    var configTypeName = ConfigurationManager.AppSettings[configKey];
    if (!String.IsNullOrEmpty(configTypeName))
    {
        return InstanceFromTypeName<T>(configTypeName);
    }
    else
    {
        return @default.Invoke();
    }
}