Do.Error Class
Deprecated: use Y.Do.Halt or Y.Do.Prevent
Return an Error object when you want to terminate the execution of all subsequent method calls.
Constructor
Do.Error
    
        
            (
    
    
    
        deprecated
    
    
    
    
    
    
    - 
                    
                        msg
- 
                    
                        retVal
Parameters:
- 
                    
                        msgString(optional) Explanation of the altered return value 
- 
                    
                        retValAnyReturn value passed to code that invoked the wrapped function. 
