ES3Parser.IsLeftHandSideIn C# (CSharp) Method

        private bool IsLeftHandSideIn(Expression lhs, object[] cached)
        {
        	if (cached[0] != null)
        	{
        		return Convert.ToBoolean(cached[0]);
        	}
        	
        	bool result = IsLeftHandSideExpression(lhs) && (input.LA(1) == IN);
        	cached[0] = result;
        	return result;
        }