public IEnumerable <User> ChainFilter(ITestHandler <User> i_filter)
{
foreach (User friend in m_user.Friends)
{
if (i_filter.UserTestHandler(friend))
{
yield return(friend);
}
}
}
public bool UserTestHandler(User i_input)
{
bool retVal = m_test(i_input);
if (m_nextHandler != null)
{
retVal = retVal ? m_nextHandler.UserTestHandler(i_input) : false;
}
return(retVal);
}