public override bool Equals( object obj )
{
if ( obj == null || !(obj is MinusPredicate) )
return false;
MinusPredicate rhs = (MinusPredicate) obj;
return rhs._lhs.Equals( _lhs ) && rhs._rhs.Equals( _rhs );
}
public IResourceList Minus(IResourceList other)
{
if (other == null)
{
return(this);
}
ResourceList otherList = (ResourceList)other;
MinusPredicate pred = new MinusPredicate(
_predicate, otherList._predicate);
ResourceList result = new ResourceList(pred, _isLive || otherList.IsLive);
result.AttachPropertyProviders(_propertyProviders);
result.AttachPropertyProviders(otherList._propertyProviders);
if (_lastComparer != null)
{
result._lastComparer = _lastComparer;
}
return(result);
}